Non Small Cell Lung Cancer (NSCLC) refers to uncontrollable growth and proliferation of abnormal cells in the epithelial lining of lungs. Epidermal Growth Factor Receptor(EGFR) mutation is the key cause of NSCLC.

Non-Small Cell Lung Cancer (NSCLC) belong to a group of lung cancers that originates in the lung tissues but are different from the faster-growing & more serious type known as Small Cell Lung Cancer (SCLC). NSCLC is the most common type of lung cancer that contribute to approximately 80-85% of cases globally.