Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 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 .
    OUTPUT:
    
1 . No pneumonia . 2 . Emphysema or chronic obstructive pulmonary disease . 3 . Calcified prevascular or internal mammary lymph node .