Ive had an infection in my lungs x3months currently on 3rd antibiotic, also have HX of Benign mass 2007 with left lobectomy and resection, my current cxr showed pleural thickening at the Apex and Osteopenia, productive secretions of yellow pus and light green moderate amount, should I be concerned? I also worked as a phlebotomist for 7 years in a local hospital that was torn down for asbestos ??