Number of tumor entities

[BoardShivers]

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Is there an official figure of how many tumor entities exist currently? I guess the WHO classification is the best source, however, I want to know the number of tumors in all organ systems included. Can anyone please help?

 

[Thrombus]

Well, I spent yesterday counting and the lumpers come up with 21 and the splitters come up with 104,537 currently.

 

[BoardShivers]

Thanks for the reality check, Thrombus!

 

[BoardShivers]

Jokes apart, I really need this for a business proposal. Any referenced number will be appreciated.