question: 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