Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is stable . Note is made of a coronary stent . Aside from calcification of the aortic knob , the hilar and mediastinal contours are normal . Interval increase in the ill - defined opacities in the right middle lobe are concerning for bronchiectasis and fibrotic changes with a superimposed infection . Increased opacities in the lingula , with unchanged bronchiectasis , is also concerning for an infectious process . There is no pleural effusion or pneumothorax . No subdiaphragmatic free air is identified .
    OUTPUT:
    
1 . No subdiaphragmatic free air identified . 2 . Increase in opacities in the right middle lobe and lingula are concerning for pneumonia .