label: Astler-Coller A Colon Carcinoma
label_lc: astler-coller a colon carcinoma
description: "Stage I includes: (T1, N0, M0) and (T2, N0, M0).  T1: Tumor invades submucosa.  T2: Tumor invades muscularis propria.  N0: No regional lymph node metastasis.  M0: No distant metastasis. (AJCC 6th ed.)"