What is Lung Cancer ?

Lung cancer stands as a highly prevalent and deadly cancer type that affects people globally. The condition starts when lung tissue experiences uncontrolled growth of abnormal cells. The abnormal cells form tumors that obstruct normal lung functions, including breathing and oxygen exchange. Cancer cells begin to spread from their original site to nearby lymph nodes and invade other parts of the body, including the brain, liver, bones, and adrenal glands.

Two large organs in the chest cavity, the lungs, help the body obtain oxygen and eliminate carbon dioxide. However, the lungs sustain permanent injury from inhaling toxins in the external environment.

Lung cancer can be put into two main categories, characterized by the types of cells involved. They include non-small cell lung cancer and small cell lung cancer. The medical profession identifies three unusual lung tumor diseases whose patients are mostly below 30 years old. Such tumors include pleuropulmonary blastoma, pulmonary inflammatory myofibroblastic tumor, and tracheobronchial tumors.

Early diagnosis of cancer, combined with effective management, ensures improved chances of survival as well as a higher standard of living. Scientific advances in medical equipment for diagnosis, surgery, radiation therapy, and targeted therapies have revolutionized treatment for lung cancer.

What are the Different Types of Lung Cancer ?

Non-Small Cell Lung Cancer (NSCLC)

Lung cancer patients mostly suffer from non-small cell lung cancer, which stands as the most common type of the disease. Small-cell lung cancer develops at a faster rate compared to this type of cancer. Squamous cell carcinoma, big cell carcinoma, and adenocarcinoma are among the subtypes included in the NSCLC categorization.

Adenocarcinoma is the most common subtype and often occurs in the external parts/regions of the lungs or airways. Squamous cell carcinoma begins in the central airways, while large cell carcinoma can arise anywhere in the lungs and grow rapidly.

Small Cell Lung Cancer (SCLC)

The small cell carcinoma is among the most aggressive cancers, though rare. It spreads quickly and metastasizes to other parts of the body at an early stage of development. One of the principal risk factors for this cancer.

Pleuropulmonary Blastoma

Pleuropulmonary blastoma is an unusual lung cancer that mostly affects infants and children. This cancer occurs in immature cells involved in the formation of the lungs or the pleura. Pleuropulmonary blastoma can present itself in two different forms of tumors: some as cysts, while others as solid tumors.

Pulmonary Inflammatory Myofibroblastic Tumor

An uncommon tumor arises from connective tissue cells within the lung tissue. Although it maintains its low-grade status, the tumor demonstrates potential for aggressive behavior and can invade adjacent areas. This condition occurs more frequently in children and young adults, thereby increasing their risk.

Tracheobronchial Tumors

Tracheobronchial tumors occur in the trachea and the large air passages, including the bronchi. They obstruct air passages and cause breathing problems. They can be benign or malignant; in the latter case, surgery is necessary.

Doctors need to identify the exact type of lung tumor because each type requires a different approach for treatment.

What are the Symptoms of Lung Cancer ?

Symptoms of Lung Cancer

The size and position of the lung tumor determine the symptoms. As cancer spreads to other parts of the body, new symptoms may develop. Most patients, however, will not display any symptoms until the cancer reaches an advanced stage.

Common symptoms include:

  • Persistent cough that shows no signs of improvement.
  • The patient experiences blood in their cough or expels rust-colored sputum.
  • He/she experiences chest discomfort that worsens with deep breathing or coughing.
  • Difficulty breathing.
  • Wheezing, producing loud breath sounds.
  • Difficulty speaking due to their hoarse voice.
  • The patient experiences weight loss with no medical explanation.
  • The patient reports reduced oral intake.
  • Constant tiredness.
  • The patient develops respiratory illnesses, which include pneumonia and bronchitis.
  • Facial and neck swelling due to blocked blood vessels.
  • Bone pain and headaches occur when cancer spreads to other body parts.

Children with rare lung tumors such as pleuropulmonary blastoma may present with breathing difficulties, chest pain, and recurrent lung infections.

Medical professionals must conduct evaluations because symptoms match those of other respiratory diseases, which require proper diagnosis methods.

What are the Causes & Risk Factors of Lung Cancer ?

Multiple factors exist that elevate the risk for individuals to develop lung cancer.

  • Tobacco Smoking: Smoking represents the primary factor that leads to lung cancer development. Lung cell destruction, caused by the numerous carcinogenic substances in cigarette smoke, results in cancer development. Both active smokers and people who experience secondhand smoke are at increased risk.
  • Exposure to Environmental Toxins: The chances of lung cancer are increased with continuous exposure to carcinogens such as asbestos, arsenic, diesel exhaust, and chemicals.
  • Radon Gas Exposure: One naturally occurring radioactive gas that can build up in houses is radon. Continuous exposure to this gas damages lung tissues and can cause cancer to develop.
  • Air Pollution: Elevated air pollution levels create a condition that raises the chances of lung cancer development.
  • Family History: Genetic factors play a role. Individuals with a family history of lung cancer are more likely to develop the disease.
  • Previous Radiation Therapy: Those who undergo radiation therapy for other cancers are more likely to develop lung tumors after receiving it in the chest region.
  • Genetic Mutations: Lung cells that undergo specific genetic alterations will begin to grow uncontrollably, forming cancerous cells.

Identifying risk factors provides essential knowledge for implementing preventive measures and achieving early disease diagnosis.

How is Lung Cancer Diagnosed and Tested ?

The outcomes of lung cancer treatment are improved by early detection of lung cancer. Medical professionals use different techniques to determine whether lung cancer exists and its size and distribution.

Medical History & Physical Examination: The medical professionals examine the patients’ symptoms, smoking habits, work exposures, and family histories. Physical examination helps in detecting abnormal respiration and enlarged lymph nodes.

Imaging Tests: The imaging test can be used to detect lung tumors.

  • Chest X-ray: The chest X-ray can detect abnormal lung masses or nodules.
  • CT Scan: The CT scan is an imaging procedure that produces images of the body. It allows doctors to see lung tumors and their extent.
  • MRI Scan: Doctors can use MRI scans to assess whether lung cancer has progressed to the brain and spinal cord.
  • PET Scan: A PET scan detects actively growing cancer cells and determines whether the disease has spread to other parts of the body.

Sputum Cytology: Microscopic analysis of sputum produces cancer cell detection results for certain patients.

Bronchoscopy: A bronchoscopy uses a thin, flexible tube to insert cameras into the airways. Cameras are introduced through the nose or mouth to allow for tumor examination and tissue sampling.

Needle Biopsy: Medical professionals use imaging methods to guide them in inserting a needle through the chest wall to obtain lung tumor tissue samples.

Surgical Biopsy: Microscopic examination requires a small tissue sample obtained by surgical procedures.

How is Lung Cancer Staged ?

Staging acts as the process that establishes how far cancer has advanced after doctors confirm its presence.

Stages are based on:

  • Size of the tumor
  • Involvement of lymph nodes
  • Spread to distant organs.

Precise staging enables doctors to determine the best treatment for each patient.

What are the Management and Treatment Options ?

Lung cancer treatment requires medical professionals to consider cancer type, disease stage, patient health status, and tumor cell genetic mutation status.

Surgery: Surgery becomes necessary for patients with early-stage lung cancer who have not experienced extensive cancer spread. Surgical procedures perform their main function through the following operations: Lobectomy, or the excision of a lung lobe; Pneumonectomy (removal of an entire lung); Segmentectomy or wedge resection (removal of a small portion of lung tissue). The surgical procedure aims to achieve total tumor elimination through the removal of all cancerous tissue while maintaining as much lung tissue as possible.

Radiation Therapy: Radiation therapy employs high-energy beams that target and destroy cancer cells. The treatment may be used in three different ways: As the main course of care for individuals unable to have surgery; After the operation/surgery to remove any leftover cancer cells; To relieve symptoms in advanced cancer. The advanced radiation methods provide accurate tumor targeting while keeping healthy tissues safe from damage.

Chemotherapy: Chemotherapy, on the other hand, employs powerful medication/drugs to destroy cancer cells. The treatment may be done before the operation to reduce the size of the tumor or after the operation to prevent the recurrence of cancer. Doctors employ chemotherapy to treat patients with advanced lung cancer.

Targeted Therapy: Targeted therapy targets the unique genetic mutations found in cancer cells. These drugs target signaling pathways that enable cancer to grow and spread.

Immunotherapy: Immunotherapy enables the immune system to detect and destroy cancer cells. This treatment method has become a crucial therapy for particular lung cancer types.

Treatment for Rare Lung Tumors: Rare tumors like pleuropulmonary blastoma, inflammatory myofibroblastic tumor, and tracheobronchial tumors need specialized treatment methods, which involve surgery, chemotherapy, and radiation therapy that depend on the specific tumor type and stage.

Palliative Care: Advanced lung cancer patients require supportive care to help them manage their pain and breathing problems, and excessive tiredness, which also enhances their overall well-being.

What is the Outlook / Prognosis for Lung Cancer Patients?

Lung cancer survival rates depend on a number of determinants, namely:

  • Lung cancer classification;
  • Stage at diagnosis;
  • Tumor dimensions and localization;
  • Overall condition of the patient; and
  • Effectiveness of therapy.

Patients diagnosed at an early stage of lung cancer who underwent surgery might expect good results, whereas those suffering from metastatic lung cancer might be faced with more difficulties.

How can Lung Cancer be Prevented and Risks Reduced ?

Most cases of lung cancer cannot be completely eradicated, yet certain preventive measures exist to decrease the associated risk. The recommended preventive measures include:

  • Avoiding tobacco cigarette consumption, together with secondhand smoke exposure
  • Diminishing contact with outdoor chemical pollutants
  • Conducting radon gas examinations in residences
  • Maintaining bodily health through proper eating habits
  • Physical activity and implementing safety measures in workplaces that contain dangerous materials
  • Obtaining a medical evaluation when respiratory symptoms persist.

Screening tests like low-dose CT scans can be suggested for those who are at greater risk, considering the long history of smoking.

How can patients manage living with Lung Cancer ?

The physical effects and emotional shocks of the diagnosis of lung cancer are the major challenges faced by those who are suffering from lung cancer. Cancer treatment includes medical, psychological, nutritional, rehabilitation, and pain management services. Family members, medical staff, and patient support groups are the major contributors to patient support during treatment and recovery.

Why choose Tender Palm Super Speciality Hospital for Lung Cancer Treatment in Lucknow, India?

Tender Palm Super-Speciality Hospital offers advanced Lung Cancer treatment in Lucknow, India, at an affordable cost. We have a team of experienced thoracic surgeons and oncology specialists who provide accurate diagnosis and both non-surgical and surgical treatment options including surgical resection, radiation therapy, and chemotherapy. Our Thoracic Surgery and Oncology team has decades of experience in successfully treating Lung Cancer in Lucknow, India.

To seek an Expert consultation for Lung Cancer Treatment in Lucknow, India:

Call us at +91-9076972161
Email at care@tenderpalm.com

Request an Appointment
Mon - Sat 9:00 AM to 6:00 PM IST

Our Experts

Awards & Accreditations