It seems like most cancers are organ-specific (lung, ovary, skin, etc) but I’ve never heard of heart cancer. Is there a reason why?
Edit: Wow! Thanks for all the interesting feedback and comments! I had no idea my question would spark such a fascinating discussion! I learned so much!
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Non cancerous growths on the heart do happen. An atrial myxoma is an example (these are extremely rare so when we found my mums I think every medical appt she had until it was removed they had every doctor they could find looking at her ecg).
Someone who knows their way around these better than I do might be able to tell you how the few types of growths that start in the heart are different cell types than heart vs other cells.
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