题目内容
以下符合癌性胸腔积液特点的是
2021-12-09
A.比重小于1.018
B.蛋白含量<30g/L
C.细胞数<100父105**8/乙
D.胸腔积液蛋白/血清蛋白<0.5 .
E.LDH>500U/L
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