Hi,doctor. My name is Juliet, I m 35yrs old,mother of three.I have been diagnosed of lower lobe lungs fibrosis which started 2yrs ago when I had my last baby through CS.I have gone for sputum test recently which says negative. I also went for mantoux test,and it read 0mm.pls,could this mean. I have no cough,but so much pains in my chest region.