"Stage I includes: (T1, N0, M0) and (T2, N0, M0). T1: Tumor invades submucosa. T2: Tumor invades muscularis propria. (AJCC 6th ed.)NCI" . "Malignant"^^ . "C1516058"^^ . . "Astler-Coller_A_Rectal_Carcinoma"^^ . "Astler-Coller A Rectal CarcinomaAQNCI" . . "Obsolete_Concept"^^ . "Astler-Coller A Rectal Carcinoma"^^ . "Astler-Coller A Rectal Carcinoma"^^ . . "Neoplastic Process"^^ . "C5924"^^ . "Astler-Coller A Carcinoma of RectumAQSNCI" . "Astler-Coller A Carcinoma of the RectumAQSNCI" .