ABSTRACT
Preop • Complete history, including family history • Physical examination • Endorectal ultrasound to assess depth of invasion and lymph node involvement • Colonoscopy to evaluate the entire colon • C T scan to rule out metastatic disease • Complete bowel preparation • The patient should be placed in the prone position if the lesion is anterior. The
lithotomy position may be used for posterior lesions, although some surgeons prefer the prone position for posterior lesions as well.
