NCIt related terms : Stage IIIA Esophageal Squamous Cell Cancer;
NCIt definition : Stage IIIA includes: T0-2, N1, M0. T0: No evidence of primary tumor. T1: Tumor invades
the lamina propria, muscularis mucosae, or submucosa. T2: Tumor invades the muscularis
propria. N1: Tumor with metastasis in one or two regional lymph nodes. M0: No distant
metastasis. (AJCC 8th ed.);