结果25例（35.7%）直肠绒毛状腺瘤已发生癌变。
Results Canceration was found in 25of 70patients with villous adenomas(35.7%).
其中直肠癌13例，直肠绒毛状腺瘤12例，其他良性疾病5例。
These included rectal carcinoma 13, villous adenoma 12 and other benign lesions 5 cases.
其中直肠癌13例，直肠绒毛状腺瘤12例，其他良性疾病5例。
These included rectal carcinoma 13, villous adenoma 12 and other benign lesions 5 cases.
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