cases, colon Week 571: Case 3 April 26, 2023 pathadmin 1. Presented by Ashley Cimino-Mathews, M.D. and prepared by Nathan Cuka, M.D.A 80 year-old male is found to have a colon mass.images/ncuka/20131125/3a.jpgimages/ncuka/20131125/3b.jpgimages/ncuka/20131125/3c.jpgSarcomatoid carcinomaInfiltrating colorectal adenocarcinoma and fibromatosis (desmoid tumor)Metastatic melanoma and adenocarcinomaLeiomyosarcoma and colorectal adenocarcinoma (collision tumor) Loading...