title: Toward a unified TNM staging system.
mesh_terms: D001344:Autopsy; D003110:Colonic Neoplasms / Q000473:pathology; D006258:Head and Neck Neoplasms / Q000473:pathology; D006801:Humans; D008207:Lymphatic Metastasis; D009362:Neoplasm Metastasis; D009367:Neoplasm Staging / Q000379:methods*; D009369:Neoplasms / Q000175:diagnosis / Q000601:surgery; D012004:Rectal Neoplasms / Q000473:pathology