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Sixty male patients surgically treated for colorectal cancer were interviewed by structured questionnaire to evaluate the etiology of sexual dysfunction and quality of life. Patients were divided into three groups: 20 who underwent low anterior resection, 20 subjected to Miles' abdominoperineal amputation, and 20 who underwent high anterior resection. Statistical evaluation of the three groups, by use of the chi-square test and Student's t test, showed that extent of the surgical dissection plays the most important role, although psychologic problems are also involved.
Monica et al. (Sun,) studied this question.