question: pulmonologist suspects atypical form microbacterium by CT scan of chest. friend is on remicade, has RA, and unable to give sputum culture. No other symptoms. Friend never runs fevers. With RA, this person only gets chills. This person has had a RA positive test by blood. Pulmonologist recommends bronchoscopy, with cell washing, and may take a piece (biopsy). There was a 3 mm size nodule in left middle lobe.Question: What are possible outcomes if this person chooses not to have bronchoscopy? Can this person wait for a repeat scan later on, instead?