Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . There is perihilar fullness , cephalization of the pulmonary vascularity , and a mild interstitial abnormality , seen primarily in the mid to lower lungs . The overall appearance suggests mild pulmonary vascular congestion . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Findings suggesting slight pulmonary congestion .