<prompt> True about early gastric cancer isLimited to serosaChemotherapyLymph node metastasis presentLimited to mucosa and submucosa  <response>: Based on histological features, WHO classified gastric tumors into : Early gastric carcinoma is defined as a cancer limited to the mucosa and submucosa with or wthout perigastric lymph node metastasis Advanced gastric carcinoma: extends below the submucosa into the muscular wall. GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK FIRST EDITION PGNO.385 IMAGE REF: GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK SECOND EDITION FIG. 18.8 PAGE NO: 489 