Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings are worse when compared to the prior . There is slightly more dense opacity at the right lung base compared to prior . Severe cardiac enlargement is again noted . Densely calcified , tortuous thoracic aorta is unchanged . Left chest wall dual lead pacing device is in stable position . No acute osseous abnormalities .
    OUTPUT:
    
Interstitial markings appear worse from prior suggesting component of interstitial edema . Right basilar opacity , potentially atelectasis given lower lung volumes although infection could be considered in the proper clinical setting .