Small cell lung cancer (SCLC) is often considered the most aggressive form of lung cancer due to its rapid growth and early spread to other parts of the body. It represents about 10-15% of all lung cancers and tends to be more prevalent in individuals with a history of heavy smoking. The aggressive nature of SCLC means that by the time of diagnosis, the cancer has often metastasized, which is why it is crucial for individuals with risk factors to be aware of the signs and symptoms of lung cancer. read more >>

Small cell lung cancer is slightly more common in men than women. Almost all cases of SCLC are due to cigarette smoking. SCLC is very rare in people who have never smoked. SCLC is the most aggressive form of lung cancer.read more >>