Keywords: Illu lymph capillary zh.png en Lymph capillaries in the tissue spaces zh-hans 组织间隙中的毛细淋巴管 U S National Cancer Institute's Surveillance Epidemiology and End Results SEER Program http //training seer cancer gov/index html SEER English version Image Illu lymph capillary png PD-USGov Lymphatic system |