Have a history of tuberculois , had it 52 years ago , When I was a baby, it was really bad it almost killed me, I was hospitalized for over a year. it was encapsules, went to the er a few days ago , had a backache and a cold with cough, xr-Ray found a pulmonary nodule 6mm, non calcified , do you think it is lung cancer, return of the TB, pneumonia or what. .? Arthritis runs in my family I have it in my back