74.45歲女性因飯後右上腹部不適到醫院求診,腹部X光片顯示病變如圖。此病人最可能之初診斷為下列何者?
(A)膽結石(gallbladder stones) (B)總膽管內嵌塞結石(common bile duct impacted stones) (C)腎結核病(renal tuberculosis) (D)腎結石(renal stones)