先天性巨结肠直肠指检可发现________，拔指后可排出______。
男，38岁，咳嗽伴咳白色泡沫痰3周，呼吸困难，CT如图，最可能的诊断是（） ["金葡菌肺炎 ","大叶性肺炎 ","两肺多发段性不张 ","肺泡细胞癌 ","非典型肺炎 "]
下列哪项腹部平片无法显示() ["尿路结石 ","肾轮廓 ","腰大肌轮廓 ","节育环 ","肾功能"]
患者60岁，男性，胸部不适加重，最可能的诊断为（） ["食管癌 ","肺癌 ","主动脉瘤破裂 ","淋巴瘤 ","以上都不是"]
乳腺癌的特征性钙化具有哪些特点() ["单位面积内数目较多 ","密集成簇 ","密度不一，浓淡不均 ","钙化粒微小 ","钙化位于肿块内或边缘部"]
胃和十二指肠同时有溃疡称______。
