Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is accompanied by pulmonary vascular congestion and diffuse bilateral interstitial edema . There are probable very small pleural effusions bilaterally .
    OUTPUT:
    
Diffuse interstitial edema . Followup radiographs after diuresis would be helpful to document resolution and to exclude other acute and chronic interstitial processes .