FINDINGS:
3.6 x 2.2 cm partially calcified ovoid lesion along the anterior medial right
 middle lobe is unchanged since  and previously characterized as
 a calcified internal mammary lymph node.  The lungs are mildly hyperinflated
 with flattening of diaphragms and are otherwise clear.  No pleural effusion or
 pneumothorax.  Heart size, mediastinal contour, and hila are unremarkable.

IMPRESSION:
1. No pneumonia.
 2. Emphysema or chronic obstructive pulmonary disease.
 3.  Calcified prevascular or internal mammary lymph node.