Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . There are bilateral patchy and interstitial opacities , mainly central and basilar in location . This is most consistent with pulmonary edema . There is at least mild cardiomegaly . No pneumothorax . Likely small bilateral pleural effusions . There is a retrocardiac opacity of which pneumonia can not be definitely ruled out .
    OUTPUT:
    
Moderate pulmonary edema . Likely small bilateral pleural effusions . Retrocardiac opacity of which pneumonia can not be completely ruled out . Recommend follow up radiographs after resolution of symptoms .