Most common system used today to describe colorectal cancer. A, mucosal involvement only; B1, invasion into muscularis; B2, invasion into serosa; B3, invasion into adjacent organs; C, lesions identical to those in B but with lymph node involvement.
InsideSurgery Medical Information Blog
Details of surgical procedures, pathophysiology, signs and symptoms, and treatment of medical diseases,medical and surgical eponyms, and surgeons and surgery in the news
Most common system used today to describe colorectal cancer. A, mucosal involvement only; B1, invasion into muscularis; B2, invasion into serosa; B3, invasion into adjacent organs; C, lesions identical to those in B but with lymph node involvement.