Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again mild to moderately enlarged . The cardiac , mediastinal , and hilar contours appear stable . There is no definite pleural effusion or pneumothorax . Although not nearly as striking is the prior study , the pulmonary vascularity is indistinct , and the appearance suggests mild vascular congestion , without definite focal opacity . Hemidiaphragms are flattened . Fissures are minimally thickened .
    OUTPUT:
    
Findings suggesting mild pulmonary vascular congestion .