RAB11B and rectal cancer: On the basis of pathological staging, 3 patients (4.8%) were diagnosed ypT0, 8 patients (13.0%) were diagnosed with ypT1, 20 patients (32.2%) were diagnosed with ypT2, 28 patients (45.2%) were diagnosed with ypT3, and 3 (4.8%) had a ypT4 rectal cancer.