He is 5’7″ tall, mainly bald with a small amount of grey hair and last seen wearing a dark green beanie hat with a stripe, a dark green fleece, dark coat and blue jeans.
He was last seen at 23:30hrs on Wednesday, 7 December at Newham General Hospital before receiving test results for a life-threatening condition which can cause him to collapse.
If you have any information him that is helpful, please contact Newham CID on 07747 780610 or alternatively call police on 101.