HISTORY:
                      62 years oldĀ femaleĀ Patient admitted who was for chest pain and food poisoning. During work-up, CT A/P obtained showing 4.3x 3.8 cm left renal mass and adrenal incidentaloma.
                        
                      The renal biopsy revealed a renal cell carcinoma and patient underwent left partial nephrectomy.
                        
                 
                 
                    GROSS:
                       5.0 x 4.8 x 3.9 cm tan-white, pink-red, firm, bulging, centrally hemorrhagic and necrotic, and well demarcated mass that is predominantly well circumscribed with focal areas of possible extension into the surrounding parenchyma.
                             
                    
                 
                
                         
                 
                 
                 
                 
                       
                 
                 
                 
                 
               
                        
                                  
                
                    
                 
                            What is the most likely diagnosis?
                            
                        
                             - Papillary renal cell carcinoma
 
                             - Tubulocystic renal cell carcinoma
 
                             - Mucinous tubular and spindle cell carcinoma
 
                             - Medullary carcinoma
 
                             - Collecting duct carcinoma
 
                            
                          
                       
                         
                        
                         
                            
                         Mucinous tubular and spindle cell carcinoma