Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Inspiratory volumes are slightly low . Heart size is borderline enlarged . Aorta minimally unfolded . There is upper zone redistribution , with vascular plethora . There is increased retrocardiac density raising concern for more focal pulmonary infiltrate . Left hemidiaphragm remains visible . Minimal blunting of the right costophrenic angle , but no gross effusion .
    OUTPUT:
    
Probable mild cardiomegaly . Mild CHF . Increased are retrocardiac opacity is concerning for early consolidation .