Explore a comprehensive medical lecture on lung cancer, covering symptoms, pathology, treatment, diagnosis, and types. Delve into detailed explanations of various lung cancer classifications, including small cell, squamous cell, large cell, and adenocarcinoma. Learn about etiologies, clinical symptoms, diagnostic procedures, and treatment options step-by-step. Gain insights into important considerations for medical professionals and students preparing for USMLE and NEETPG exams. Discover screening recommendations and a summary of key points to enhance understanding of this critical topic in pulmonary medicine.