I was never sick or have any medical history. i got medical request for my canada student visa and i appeared for test. doctor found one abnormalitie in my lungs xray which is mentioned as fibrotic lision bilateral upper zone so i was called for retake-xray on same day and in report it is mentioned that there is no any suspicions of active TB but they checked yes in evidence of tuberculosis so what is the possibilities for my ppr as i never got tb or took any medicine in past . please reply i am in big over thinking.