Triple synchronous primary malignancies of the colon, endome
Coexisting primary malignancies have been described at length in the literature. While double primary malignancies are relatively common, three synchronous primary malignancies are extremely rare.We describe a case of a 60-year-old woman undergoing surgery for a known endometrial carcinoma. The patient also had a renal mass that was identified as a clear cell renal cell carcinoma and an additional lesion in the colon that was a mucinous adenocarcinoma. Further genetic testing of the patient revealed a deleterious MSH6 mutation suggestive of Lynch syndrome. The patient had all tumors addressed by minimally invasive techniques at the same operative intervention....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4901152/
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