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Radiogenic Colon Ca



The answer is yes, for instance in the radiotherapeutic context.  E.g., men who've had radiotherapy for prostate Ca are at increased risk for colon Ca, which enlarges with time after tx (natch).



Then, according to BEIR V (p.301): "Irradiation has been observed to increase the risk of colon cancer in humans and laboratory animals.  The strongest evidence of the carcinogenic effects of radiation on the human colon is provided by the dose-dependent excess of colon cancers observed in Japanese A-bomb survivors."





Posted by Louis Ricciuti (at the request of Marvin Resnikoff):

"Ingestion of uranium would be much more effective in yielding a radiation dose to the colon and stomach; several of these workers developed colon cancer."

>

>Is radiation exposure a known risk factor for colon cancer?











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