Once a man had ganagareens in his right leg(a disese. He went to the doctor and it was suggested that the leg be cut off. After the surgery the doctor comes and tells the patient, "son, I have a good news for you and a bad news."
So the boy says,"I'll have the bad news first please."
The doctor says," I chopped off the wrong leg by mistake." The boy cries out and says" oh lord what is the good news then?!!" The doctor says,"Your other leg is getting better my boy".