Hi Good Day, I Have A Tb Scar.. I Was

Hi good day, i have a tb scar.. i was diagnosed with tb in dec of 2012 and finished my 6 months medication in june of 2013, i was examined again for my pre-employment tests and i failed. i then go to my doctor and went through another 2 month medication.. and after months again.. i have still tb scar. is this forever scar in my lung? can it be remove by medicine alone?