Although it was successful, the doctor said his cancer had spread to areas close to the rectum, so he had to undergo chemotherapy.
尽管手术很成功，但医生说他的癌症已经扩散到邻近直肠的区域，所以他必须接受化疗。
2
Researchers also found sedentary working patterns increased the chances of cancer of the rectum by 44 per cent over a ten-year period.
研究者们还发现，这些需要坐着工作的人患上癌症的风险会因十年的工作时间而增加44%。
3
The other end is then attached to a radiotherapy machine and radiation is administered, through the tube, directly into the cancer tissue in the rectum.