Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate moderate cardiomegaly and small bilateral pleural effusions . The pulmonary vasculature is not distended and there is no interstitial edema . Retrocardiac opacities likely represent bibasilar atelectasis . However , an underlying pneumonia can not be excluded . There is no pneumothorax .
    OUTPUT:
    
1 . Moderate cardiomegaly and bilateral pleural effusions could represent volume overload in the proper clinical setting . 2 . Retrocardiac opacities most likely represent atelectasis , but pneumonia can not be excluded . The case was discussed by Dr . ___ with Dr . ___ by phone at 4 :26 p .m . on ___ .