Hi.i Just Want To Share My Expirience In My Medical

Hi.i just want to share my expirience in my medical result..doctor say's that they found out that.i have a scar on my lung.but i'm fit to work..so doctor decided to failed me on my medical..what am i suppose to do now..they give me a second opinion so i will take another XRAY on monday..how can i hide my lung scar for that important day..please help with that..thanks