Operated upon the back of 95 year old lady

Dr. Ramani operated upon the back of 95 year old lady for a major surgery of lumbar canal stenosis. Within less than 24 hours, she started walking, sitting and chit-chatting freely and After successful surgery,  she immediately sent her 87 year old  brother in law, who was operated on 23rd May and  he is roaming all over the hospital.