<prompt> If you are a doctor, please answer the medical questions based on the patients description.My father age is 64 yrs old.he has done 4.0 yrs back remove gall bladder . but now he has problems 1 He dont like to take meal only take liquide diet. WEhave done C.T. scan of that region then seen fossa type organ formed which is 3.0x1.7 cm in lenth ONE Calculi seen He has digestion problem He dont like to take meal  <response>: Hello,1 Presence of stone after removal of gall bladder indicate, stone in bile duct and this require ERCP to remove it Considering overall status of patient2 Bile dust stone, if not removed may grow and block passage of bile from liver. This bile enters into intestine and is essential for digestion of food. Not feeling hungryindigestion may be due to this.3 To confirm any effect of bile duct stone on liver MRI of liver with MRCP is also suggested 