Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are provided . The right cardiac border is indistinct , which is partially due to epicardial fat pad , better seen on CT exam of ___ . There is no pleural effusion . No pneumothorax . Prominent interstitial markings are more conspicuous since prior . Hilar and mediastinal silhouettes are unchanged . Aortic arch and intrathoracic aortic calcifications are noted . Heart is top normal in size . Perihilar vascular congestion is noted . Partially imaged upper abdomen is unremarkable . Degenerative changes of bilateral acromioclavicular joints are noted .
    OUTPUT:
    
Prominent interstitial markings are more pronounced since prior , which may represent intersitial edema or underlying chronic intersitial disease .