Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Peribronchial opacification in the right middle lobe increased since ___ , is pneumonia . Minor atelectatic changes are noted at the right lung base . Mild cardiomegaly and a very tortuous and generally large thoracic aorta , with heavy calcifications of the knob , are chronic . Old rib cage deformities are noted on the left .
    OUTPUT:
    
Mild right middle lobe pneumonia , worsened since ___ .