选择题:最常见的直肠肛管周围脓肿是A.肛门周围脓肿 B.坐骨肛管间隙脓肿c.骨盆直肠间隙脓肿 D.直肠壁

题目内容:
最常见的直肠肛管周围脓肿是
A.肛门周围脓肿 B.坐骨肛管间隙脓肿
c.骨盆直肠间隙脓肿 D.直肠壁内脓肿
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