Lung cancer is one of the most common cancers in India. It is the most common cause of cancer related deaths in men and the second most common cause of death in women (after breast cancer). Lung cancer alone is responsible for 13 Lakh deaths worldwide annually.

Lung cancer is defined as a condition of the abnormal growth of the cells in the lung's tissue. Most common form of primary lung cancers are derived from epithelial cells. In Us, Lung cancer is the leading cause of cancer deaths, causing 158,683 people deaths, including 88,329 men and 70,354 women, according to 2007 statistic.

Boehringer Ingelheim announced promising results from two clinical trials of its investigational cancer compound afatinib (BIBW 2992) presented at the 35th European Society for Medical Oncology (ESMO) Congress in Milan, Italy. Results from the LUX-Lung 1 trial suggest that afatinib (BIBW 2992) is highly active in late-stage patients with NSCLC1, while in the LUX-Lung 2 phase II trial afatinib demonstrated encouraging activity in advanced NSCLC patients that have a mutated EGF Receptor.

Lung cancer can be noticed on chest radio graph also called CT Scan. The treatment that one gets depends on the stage that one is in .

Lung cancer occurs when this uncontrolled cell growth begins in one or both lungs. The lungs are two large spongy organs located inside the chest cavity. Air is breathed into the trachea and moves down two tubes called bronchi, each going to a lung.