immunotherapy PD-L1

Clinical Definition Lung Cancer, or Bronchogenic Carcinoma, is a malignant neoplasm arising from the respiratory epithelium (bronchi, bronchioles, and alveoli). It is histologically categorized into two major classes with distinct clinical behaviors and management protocols: Non-Small Cell Lung Cancer (NSCLC) (approx. 85% of cases, including Adenocarcinoma, Squamous Cell Carcinoma, and Large Cell Carcinoma) and Small…