Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right middle lobe opacity obscuring the right heart border raises concern for right middle lobe pneumonia . Left base atelectasis is likely present . Heart size is stable . Hilar and mediastinal contours are normal . There is no pneumothorax or pleural efusion . Atherosclerotic calcifications of the thoracic aortic arch are also noted .
    OUTPUT:
    
Findings concerning for right middle lobe pneumonia . Recommend follow - up to resolution .