During the same operation, an ultrasound-guided biopsy of the enlarged left ... that the patient had anal cancer with metastases to inguinal, pelvic and para-aortic lymph nodes. Findings from anoscopy ...

N1 Single lymph node metastasis, 2 cm or less in greatest dimension N1 Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac or presacral lymph node ...

anus), negative nodes IIIA Tumor of any size with positive inguino-femoral lymph nodes (i) 1 lymph node metastasis greater than or equal to 5 mm ...