哪一型大肠癌多见于青年人，且预后较差() ["A．隆起型","B．溃疡型","C．浸润型","D．胶样型","E．息肉型"]
先天性胸壁畸形以_______和________为多见。
急性重型肝炎的病变性质是() ["A．以肝细胞变性为主的炎症","B．以肝细胞坏死为主的炎症","C．以肝细胞增生为主的炎症","D．以汇管区渗出为主的炎症","E．以汇管区增生为主的炎症"]
大肠癌的好发部位是() ["A．升结肠","B．横结肠","C．降结肠","D．乙状结肠","E．直肠"]
胸壁寒性脓肿表现为________、________、_________的软组织肿块。
胸壁结核是继发于肺和胸膜结核感染的__________、___________、___________等部位的结核的病变，多表现为________或_________。
