malignant neoplasm of lung :: Article Creator An Overview Of The Types Of Lung Cancer The two main types of lung cancer are small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). However, there are various other subtypes and rarer types. Lung cancer starts in the lungs or the main airways and leads to uncontrolled cell growth. This can cause tumors to form. While anyone can get lung cancer, the risk is much higher for smokers and those experiencing exposure to secondhand smoke, certain chemicals, or toxins. In the United States, lung cancer is a leading cause of cancer deaths. This article explores the main types of lung cancer, including their definitions, prevalence, causes, subtypes, and treatments. Approximately 15% of all lung cancers are SCLC. This type forms part of a group of cancers that originate from neuroendocrine cells, including neuroendocrine tumors (NETs). These are rare tumors that develop in c