Absolutely no reason for concern. Granulomas are common. Most of us, over the age of 30, have one or more. Think of them as scars, from an infection some time in your past. Might have happened years or even decades ago. Sometimes it is difficult to distinguish between a granuloma and a tumor or cancer. Not in your case, however. The presence of calcium tells us, with the rarest of exceptions, that this is a benign lesion, a granuloma. You don’t have TB or cancer or anything else to worry about. You will carry this calcified granuloma with you the rest of your life and it will show up on every X-ray that is taken