HISTORY:
                    A middle aged male presented with diarrhea, chest pain, and fever.  His blood culture later turned positive for Salmonella.  Colonoscope was performed.  An important piece of history will be revealed later in the case.
                    
                    
                 
						
                         
			            
			             
                        
                
                    
                 
                            What history does this patient have?
                            
                                - Organ transplant
 
                                - Inflammatory bowel disease
 
                                - Celiac sprue
 
                                - Common variable immunodeficiency
 
                                - Systemic mastocytosis
 
                            
                            
                         
                        
                         
                            
                         Common variable immunodeficiency