"Ask the Expert” features answers by our experts to your clinical questions. Question: The patient is a 56-year-old woman with poorly differentiated adenocarcinoma of the cecum with two positive lymph nodes. There was peritoneal involvement through adherence to the anterior abdominal wall over the span of 3cm. but this area underwent R0 resection. The patient also has a BRCA1 mutation with a past medical history significant for breast cancer. She has had bilateral mastectomies and prophylactic bilateral...