Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval development of diffuse interstitial opacities and increased pulmonary vascular congestion most suggestive of acute pulmonary edema . Probable small pleural effusions . Heart size is normal . No pneumothorax .
    OUTPUT:
    
Widespread interstitial opacities likely acute pulmonary edema given the vascular congestion and pleural effusions . The alternative differential includes worsening atypical infection .