<prompt> DD for Rt. upper quadrant calcification:GallstoneRenal stoneCalcification in vesselsAll  <response>: All Causes of radiopaque material in bowel - Chloral hydrate - Heavy metals - Iron - Phenothiazine - Salicylate - Mnemonic - CHIPS Calcification in right hypochondrium Gall stone, calcified porcelain gall bladderQ Calcified lymph nodevessel costal cailage Hepatic adenoma, hemangiomaQ, metastases Calcification in substance of kidneyQ Phlebolith Gasless Abdomen Adult High obstruction eg gastric outflow obstruction, congenital atresia Excessive vomiting eg acute pancreatitisQ Fluid filled bowel eg closed loop obstruction, total active colitis, mesenteric infarction early, bowel wash-out Large bowel mass pushing bowel laterally - Ascites - Normal In children other causes of high obstruction vomiting include Oesophageal atresia without fistula distally Hyperophic pyloric stenosis Duodenal atresia, Annular pancreas, Choledochel cyst, volvulus 2deg to malrotation Congenital diaphragmatic herniaQ 