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Thank you Sqad. I know it's a bit sketchy but just relaying what I had been told. My Uncle has never smoked, has always been quite fit. I've never known him to have any chest or lung problems. Seen him about a year ago and he was his fine usual self. This has seemed to come out of the blue. I feel very sad about it as he is a good, kind, loving family man. Might find out more later but like I said, they are very private so might not tell me everything. Thanks again.