We present a case of primary diffuse large B-cell lymphoma of the stomach that had the unusual appearance of a large exophytic mass with central necrosis and direct invasion to the liver.

• 我们的病例报告是一个弥漫型大B细胞淋巴癌的患者，其一开始的影像学呈现是个不寻常的巨大向外凸出型病灶并随著中央的坏死区域和直接的肝脏侵犯。