“结石”用英语怎么说？

他患胆结石.He was ill of gall stone.回肠胆结石梗阻可引起各种明显的临床征象.Obstruction of the ileum by stone leads to distinct clinical pictures.末端回肠充满坚硬细小的灰色结石.The terminal ileum is filled with firm, small, gray concretions....

“结石”的拼音为：jié shí...