FINDINGS:
Frontal and lateral views of the chest.  There is new focal opacity at the
 left cardiophrenic angle.  Elsewhere, the lungs are clear without effusion or
 pulmonary vascular congestion.  The cardiomediastinal silhouette is within
 normal limits.  No acute osseous abnormality is detected.

IMPRESSION:
Focal opacity in the lingula which may represent pneumonia.  Recommend repeat
 after treatment to document resolution.