however , compared with open cholecystectomy , the incidence of bile duct injury appears to be increased , resulting in significant morbidity . bile duct injury during lc ranges from mild to severe with serious and disastrous consequences . it may lead to fistula formation or life - threatening biliary peritonitis in case of a significant leak . in case of small leaks , it could be entrenched by the adjacent organs and fibrin usually forming a localized collection or biloma . bilomas are often due to a leak from an inadequately secured cystic duct stump , an accessory bile duct or a duct of luschka in the gallbladder fossa of the liver . biloma have been reported to have occurred at unusual locations such as in the abdominal wall or even intrahepatic sub - capsular space . we report a case of biloma presenting at an unusual location in the lesser sac . a 28-year - old previously healthy female presented to the outpatient department 10 days following lc . the patient complained of moderate pain in epigastrium and right hypochondrium starting 2 days after the operation . she had no fever and no jaundice and her medical history did not suggest any major comorbid condition . the physical examination revealed the patient to be average built , conscious , and oriented ; she was afebrile with pulse rate of 76 beats / min and blood pressure of 100/70 mm hg . her abdominal examination revealed healed port site scars , a soft abdomen with no signs of peritonitis . there was a vague mass palpable in the epigastrium and left hypochondrium , tender on deep palpation . laboratory data revealed a haemoglobin of 10.9 g / dl , white blood cells of 10,700/mm(83% neutrophils ) , a blood urea of 40 liver enzymes showed a total bilirubin of 1 mg / l with a direct component of 0.4 mg / l ; serum glutamate - oxaloacetate transaminase , serum glutamic - pyruvic transaminase , alkaline phosphatase were 70 iu / l , 60 iu / l and 46 iu / l respectively . serum amylase level were 48 u / l , ultrasonography of the abdomen revealed a large unilocular fluid - filled collection in the left hypochondrium . a diagnosis of postoperative lc subhepatic collection was made and patient posted for diagnostic laparoscopy . diagnostic laparoscopy revealed a prominent bulge of stomach [ figure 1 ] with stretching of the gastrocolic omentum due to a collection in the lesser sac ; the gall bladder fossa and surrounding organs were unremarkable [ figure 2 ] . bulge appeared to be a psuedocyst ; however , there were no other intra - abdominal signs of pancreatitis . in view of no positive history suggestive of pancreatitis the gastro colic ligament was divided and a clear bilious fluid [ figure 3 ] was seen in the lesser sac . a litre of this fluid was drained from the lesser sac and an abdominal drain left in place . the patient had an uneventful postoperative period with no further bilious drainage in the drain . bilomas resulting as a complication of cholecystectomy are often due to a leak from an inadequately secured cystic duct stump , an accessory bile duct or a duct of luschka in the gallbladder fossa of the liver . bilomas usually present with abdominal pain , nausea , anorexia , jaundice , fever and abdominal tenderness , but presentation may vary from minimal symptoms to full blown biliary peritonitis . our patient presented with unusual features for a biloma , which included an unlikely site of bile collection following an uneventful lc . patient was managed with diagnostic laparoscopy and drainage . on follow - up , patient was subjected to a magnetic resonance cholangiopancreatography , which showed normal biliary anatomy . bilomas must be considered in the differential diagnoses of postoperative patient presenting with unusual clinical presentation after an uneventful lc .