The most common metastatic site is the small bowel, with the jejunum slightly higher than the ileum, and there are sporadic case reports of the duodenum, esophagus, stomach, large bowel, and anus.
The most common metastatic site is the small bowel, with the jejunum slightly higher than the ileum, and there are sporadic case reports of the duodenum, esophagus, stomach, large bowel, and anus.
肺癌合并胃肠道转移以小肠最多，其中空肠发生率略多于回肠，至于十二指肠、食道、胄、大肠与肛门则极为少见。