1. Disseminated directly: invasion of gastric cancer can be along directly to the mucous membrane or serous esophagus or stomach, duodenum, cancer Once serous membrane that is easy invasion and the surrounding neighbouring organ or tissue, such as liver pancreas spleen, transverse colon, Jejunum, diaphragm and abdominal wall, such as the omentum invasion, when Ke Zhongzhi shedding cancer cells in the abdominal, pelvic, ovarian and colorectal bladder lacunae, etc..
2. Metastasis: gastric cancer accounted for 70 percent of the transfer of the lower part of stomach cancer often transferred to H. pylori, the stomach and abdominal artery, and other adjacent lymph nodes, and the upper part of pancreatic cancer often transferred to the adjacent upper gastric cardia next to lymph nodes, may transfer advanced cancer Aorta to the surrounding lymph nodes and diaphragm, the abdominal lymph nodes and chest catheter direct traffic, it can be transferred to the lymph nodes on the left collarbone.
3. Blood transfer: Some patients with cancer can be found through the portal can be transferred to the liver, kidney and bone up lung brain meningeal spleen skin, etc..