A ‘hypersensitivity reaction’ can have a similar pattern to sarcoidosis on lung biopsy, but I would not have expected all your current symptoms to be cat related.
‘Imvakalelo yobuntunu-ntunu obugqithisileyo"’ inako ukufana nesifo sokukhula kweeseli ezinokukrala emiphungeni xa kusenziwa uxilongo lwesicubu senyama semiphunga, kodwa andinakuthi iimpawu zakho zizonke zinxulumene nobukho bekati.