i had a cancerous tumour and my left kidney removed 2 months ago, i thought i was recovering quite well until last week when i started with severe back pain down left side mainly, since then the pain is still there and my doctor thought it was muscle spasms but now , for the last 4 days i cannot control my urine had accidents twice in the night with no warning then today i stood up and it happened again, and still in pain please advise me what you think x my name is jean i am 53 year old x