** 1. Pain in the right side [since quadrant is not known] can be caused by a wide variety of conditions, as such the age, sex and general condition of the patient will influence the likely diagnosis, along with History and examination will also focus the differential diagnosis.As the pain may be caused by varying illnesses, you should obtain medical advice. 2. Gastro paresis can be caused either by diseases of the stomach s muscles or the nerves that control the muscles, [have you been evaluated by a Gastr- enterolgist [upper GI endoscopy] for the same]? 3. The most common disease causing gastroparesis is diabetes mellitus, [ have you checked with your blood sugar level]? 4. check with pancreatic enzymes [amylaze,lipase], imbalances of minerals in the blood such as potassium, calcium or magnesium, medications (anticholinergic/ antispasmodic agents,calcium channel blockers,narcotics pain relievers and some antidepressants), scleroderma and thyroid disease are some of the causes of gastroparesis [do check with concerned investigations and laboratory values] PS i. see a motility specialist? He/she would be more familiar with the link of gallbladder surgery and Gastro paresis [if any].[could be due to injury to the vagus nerve] ii.Pain may be referred from nerves in the spinal column or peripheral nerves that supply the area. iii. CBC [complete blood count], ESR [erythrocyte sedimentation rate] may give an indication of infection or an inflammatory process. .Abnormal LFTs [liver function test] will occur if the liver is involved. .Urinalysis may suggest urinary tract infection. .Chest X-ray and lateral view may show a lesion of the right lower lobe. Plain abdominal X-rays, [erect and supine] may show abnormal bowel patterns, fluid levels or gas or fluid under the diaphragm. .Colonoscopy or double contrast barium enema may be required for colonic lesions. .Ultrasound is useful to investigate the renal tract for stones or dilatation. .Abdominal CT or MRI scan may be useful to define a lesion.