But when surgeons operated (a hernia is tough to X-ray and needs to be fixed surgically), there was no twisted loop of intestine behind that bump.

然而当外科医生为我做手术时(因为用X光很难判断疝气，必需得靠外科手术)，在那块疙瘩后面却并未发现任何露出来的肠子什么的。