Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial edema as well as increased small bilateral pleural effusions . Heterogeneous lower lung opacities are likely atelectasis , although infection can not be excluded . There is no pneumothorax . The heart is moderately enlarged , substantially increased compared to the prior radiograph from ___ . The mediastinal contours are normal .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema with small bilateral pleural effusions . 2 . Bibasilar atelectasis , less likely infection . 3 . Increased moderate cardiomegaly .