Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Hilar congestion is noted with mild interstitial edema . There is increased opacity in the right middle lobe region which may represent atelectasis , less likely pneumonia . Mild blunting of the CP angles likely indicates tiny pleural effusions . Heart size is mildly enlarged . The mediastinal contour is normal aside from a unfolded thoracic aorta . Bony structures are intact with demineralization noted .
    OUTPUT:
    
Mild cardiomegaly with hilar congestion and mild edema . Tiny pleural effusions . Opacity in the right middle lobe may represent atelectasis , less likely pneumonia .