cases, retroperitoneum Week 376: Case 6 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Amy Duffield, M.D., Ph.D.This 47 y.o. patient was diagnosed with stage IV colon cancer with liver metastases 2 years ago and was treated with chemotherapy. His follow up scans detected a 6 cm periaortic mass and a 3.5 cm adrenal mass. The images show both masses. The periartic tumor was only positive for inhibin. The patient also had bilateral orchiectomy for Leydig cell tumor in the past.Adrenal cortical adenoma and met. colon adenoca w/ tx effect in lymph nodeAdrenal cortical carcinoma with metastasis in a periaortic lymph nodeAdrenal cortical adenoma and metastatic Leydig cell tumor in lymph nodeAdrenal cortical adenoma and metastatic renal cell carcinoma in a lymph node 1. Presented by Peter Illei, M.D. and prepared by Amy Duffield, M.D., Ph.D.This 47 y.o. patient was diagnosed with stage IV colon cancer with liver metastases 2 years ago and was treated with chemotherapy. His follow up scans detected a 6 cm periaortic mass and a 3.5 cm adrenal mass. The images show both masses. The periartic tumor was only positive for inhibin. The patient also had bilateral orchiectomy for Leydig cell tumor in the past.