| SSc | PM/DM | PSS | RA | SLE | MCTD |
Usual interstitial pneumonia | ++ | ++ | + | ++ | + | + |
Nonspecific interstitial pneumonia | ++++ | ++++ | + | + | ++ | ++ |
Cryptogenic organising pneumonia | + | ++ | + | + | + | − |
Diffuse alveolar damage | + | ++ | + | + | ++ | − |
Lymphocytic interstitial pneumonia | − | − | +++ | − | − | − |