I am a lung cancer survivor .... it has been 5 yrs post treatment and the loss of my entire left lung . I am healthy and very strong now . I was certified 20 yrs ago as a PADI diver and like a lot of things after given 6 weeks to live and making it 7 yrs now total , I would love to dive again . I have yet to find an answer to my question ......can I dive , will the pressure of diving affect anything internal , and well are my dive tables the same as a normal 2 lung person . I have ask doctors , oncologist , ect with no real answers .... Thank you in advance !