1. 血肿：hematomphalus /脐部积血/ | hematoncus /血肿/ | hematonic /补血药/
1. During operation we can get rid of hematoncus and oozing urine, reducing chances of infection and stricture. 手术同时可以清除血肿及外渗尿液，减少感染及狭窄机会。