How do you manage colorectal tumors that have components in the colon and rectum on MRI?
For example, portion is seen above and below the mesorectal fascia. Do you feel comfortable treating as colon cancer with surgery upfront?
Answer from: Radiation Oncologist at Academic Institution
For a tumor straddling the peritoneal reflection, it is only the rectal component that would make one consider RT. The reason for a local recurrence of rectal cancer is residual disease from the primary tumor either at the margin of resection of the primary tumor or from residual lymph nodes in the ...