The Anatomical Chart Company - Understanding Lung Cancer chart defines lung cancer and the two main types: Non-Small Cell Lung Cancer (NSCLC) and Small Cell Lung Cancer (SCLC). The main lung image shows metastasis to paratracheal lymph nodes, metastasis to carinal lymph nodes and a close up image of a tumor projecting into bronchi. This chart describes how lung cancer is diagnosed and staged and has images of chest x-ray, CT Scan, PET Scan and MRI. Lists risk factors, signs & symptoms and treatment options. Also describes how lung cancer can be prevented and shows an image of a cigarette in an ashtray with the statistic that approximately 90% of lung cancer deaths are related to smoking.