A.(4+248)/1838=0.137 B.79/327=0.242 C.(79+1507)/1838=0.863 D.1507/1511=0.997 E.79/83=0.952女,56歲,劍突下不適2個(gè)月,體檢無明確異常,X線鋇劑造影示胃體小彎3cm×4cm的龕影,位于胃輪廓內(nèi),龕影周圍黏膜中斷、破壞。
A.1507/1755=0.859 B.79/83=0.952 C.1507/1511=0.997 D.79/327=0.242 E.1511/1838=0.822
A.79/83=0.952 B.83/1838=0.045 C.327/1838=0.178 D.248/327=0.758 E.79/327=0.242