DIFFERENTIAL DIAGNOSIS OF EPIGASTRIC AND UPPER QUADRANT DISCOMFORT ( GENERAL CAUSES)

Differential diagnosis of epigastric and upper quadrant discomfort ( general causes) are : 
-aortic aneurysm 
-tuberculosis 
-Giardia lamblia 
-any chronic infection 
-spine disorder due to radiation of pain to the abdominal cavity 
-splenic infarction 
-splenic rupture
-splenic tumour
-lymphoma
-basal pneumonia 
-pyelonephritis 
-pleuritis
-pulmonary embolism