​Differential diagnosis of medical causes of involuntary weight loss

​Differential diagnosis of medical causes of involuntary weight loss 
-malignancy 
-subacute bacterial endocarditis 
-tuberculosis 
-hypercalcemia 
-anorexia due to azotemia 
-dysphagia 
-intestinal ischemia 
-uncontrolled diabetes mellitus
-chronic heart, lung or renal disease
-hyperthyroidism 
-gastrointestinal disorder such as malabsorption, peptic ulcer and pancreatic insufficiency