Uncharacterised growth ot the cell isuue of the lung cause Lung Cancer. If left untreated, this growth can spread beyond the lung in a process called metastasis into nearby tissue and, gradually , into other parts of the body.. Carcinomas is also called the primary lung cancer that derive fromepithelial cells. Worldwide, the most common cause of cancer-related death in men and womenis lung cancer and is responsible for 1.3 million deaths Yearly, as of 2004.[1] shortness of breath, coughing (including coughing up blood), and weight loss are The most common symptoms of lung cancer.
