Gastric cancer invasion to mesocolon and one perforated hole at lesser curvature of the stomach were noted during surgery.

• 病患接受紧急胃亚全切除术及淋巴廓清，术中发现系胃癌侵犯至横结肠且于胃小弯处有一肿瘤破孔，且腹膜将破孔完全包覆。