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As the different ways of metastasis, the first group of symptoms of dysporia and bloody purulent stool was 57% and 29% respectively. 本組報(bào)告7例轉(zhuǎn)移性直腸癌，因轉(zhuǎn)移途逕不同，首發(fā)癥狀，以排糞睏難佔(zhàn)57％，膿血便29％。