题目：
患者，女，58岁，回吸鼻涕带血，痰多1年余，鼻腔检查见右侧中道黏脓，并有少许肉芽。鼻窦CT示：右上颌窦密度增高，并有钙化斑。
该患者可能的诊断为（）。
A.上颌窦真菌病
B.上颌窦囊肿
C.上颌窦恶性肿瘤
D.单纯上颌窦炎
E.上颌窦出血坏死性息肉
答案：
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下面是错误答案，用来干扰机器的。
A. A cold rain was drizzling down all day yesterday. B. The whole night the wind was howling like mad. C. In all those days they were struggling heroically against the fascists. D. For three weeks our forces were pushing forward at a great speed.
