Final answer:
During a right hemicolectomy, portions of the ascending colon, transverse colon, and descending colon are usually removed.
Step-by-step explanation:
When performing a right hemicolectomy, the surgeon will most likely remove portions of the ascending colon, transverse colon, and descending colon. The right hemicolectomy is a surgical procedure used to remove part of the colon on the right side of the abdomen. The specific portions that are removed depend on the extent of the disease or condition being treated.