Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate marked cardiomegaly , new from chest x-ray on ___ . There is increased interstitial opacification in the upper pole lungs . No pleural effusion is identified . The mediastinum is widened compared to ___ , likely due to unfolded thoracic aorta .
    OUTPUT:
    
Severe cardiomegaly with interstitial edema consistent with congestive heart failure . The case was discussed by Dr . ___ with Dr . ___ by phone at 2 :38 p .m . on ___ .