Lung cancer types There are several different types of lung cancer, such as small cell lung cancer, non-small cell lung cancer, adenocarcinoma, squamous cell carcinoma, large cell carcinoma, and carcinoid . Learn how each type of lung cancer occurs, and how common they are amongst other lung cancers. More free lessons at: Practice questions related to these concepts here: Find more free videos, practice questions, and articles related to health and medicine, at: Subscribe to Khan Academy Medicine at: These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video.