How would you manage a patient with mild respiratory symptoms, imaging showing bronchiectasis, one AFB culture growing only mycobacterium avium complex, and a separate AFB culture growing only nocardia species?

I would recommend repeating at least two more acid-fast bacilli (AFB) sputa to see if Mycobacterium avium complex (MAC) repeatedly grows; ideally, they should be identified to the species or subspecies level, but I understand that can be hard to request. Admittedly, bronchiectasis alone (without nod...