Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is borderline in size . The cardiac , mediastinal and hilar contours are probably unchanged within the limitations of the technique . Mild perihilar congestion is suspected and appears new . In addition , there are small bilateral pleural effusions with opacities at the lung bases probably attributable to associated atelectasis . Fissures are thickened .
    OUTPUT:
    
Findings suggesting mild vascular congestion . Small bilateral pleural effusions with suspected atelectasis .