 
                  
                    
                Case #1. What is your diagnosis? 
CT scan of a dog with tachypnoea. See next CT image for a hint.
 
                  
                    
                Case #1. What is your diagnosis?
Where is this mass originating from?
What cancer do you think this is?
Click through to find out.
 
                  
                    
                Mass removed at surgery - 25cm (L) x 20cm (W)
 
                  
                    
                Screenshot of a medical diagnosis report describing a case of rib osteosarcoma in a dog, including CT imaging findings and follow-up treatment with surgery and chemotherapy.
