C34.10

Clinical Causes: Long-term smoking or exposure to tobacco smoke Radon gas exposure Air pollution and occupational hazards, such as exposure to asbestos or chemicals Family history of lung cancer Previous exposure to radiation therapy in the chest area Genetic factors that predispose individuals to cancer

Key Symptoms: Persistent cough that worsens over time Coughing up blood or blood-stained sputum Shortness of breath or wheezing Chest pain that may radiate to the shoulder or back Unexplained weight loss and loss of appetite Fatigue and general weakness Recurrent respiratory infections

Diagnosis Path: Diagnosing this type of lung cancer involves a combination of methods. Medical professionals may perform chest X-rays to visualize abnormal growths, followed by computed tomography (CT) scans for detailed imaging. A biopsy, where a small tissue sample is taken from the lung, helps confirm malignancy. Additional tests such as positron emission tomography (PET) scans and mediastinoscopy may be used to determine the extent of the cancer and whether it has spread. Pulmonary function tests can assess lung capacity and function, guiding treatment options.

Treatment Protocols: Treatment strategies depend on the tumor's size, location, stage, and the patient’s overall health. Common approaches include: - Surgery: Removal of the affected lobe of the lung may be possible if the cancer is localized. - Radiation therapy: Utilizing high-energy rays to target and destroy cancer cells. - Chemotherapy: Systemic drug treatment to kill cancer cells and reduce tumor size. - Targeted therapy: Medications that focus on specific genetic mutations within the cancer cells. - Immunotherapy: Boosting the body’s natural defenses to fight cancer. Multidisciplinary care involving oncologists, thoracic surgeons, and pulmonologists is essential to creating an individualized treatment plan. Palliative care may also be provided to manage symptoms and improve quality of life.