title: [Lymphatic metastasis and depth of tumor infiltration in the intestinal wall in rectal cancer following radical surgery--trial in classification according to stages].
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D008207:Lymphatic Metastasis; D012004:Rectal Neoplasms / Q000145:classification* / Q000473:pathology / Q000601:surgery