FINDINGS:
There is unchanged opacity in the left mid lung which likely
 represents residual scarring in this patient with prior pneumonia in this
 region.  Nipple shadows are noted bilaterally.  No definite signs of acute
 consolidation, effusion or pneumothorax.  No signs of pulmonary edema.  The
 heart size and mediastinal contour are unremarkable.  The bony structures are
 intact.

IMPRESSION:
Vague opacity residua in the left mid to lower lung likely
 represents scarring in this patient with history of pneumonia in this region. 
 No acute findings.