FINDINGS:
There is subtle right basilar opacity.  Elsewhere, lungs are clear. There is
 no effusion or edema.  Cardiomediastinal silhouette is within normal limits. 
 No acute osseous abnormalities.  Degenerative changes noted at the shoulders.

IMPRESSION:
Subtle right basilar opacity potentially atelectasis noting that in the
 setting of productive cough, infection would be possible.