Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP radiograph of the chest demonstrates mild cardiomegaly , possibly related to technique . Pulmonary vascular congestion is similar to the prior study from ___ and a small left pleural effusion is again noted . Increasing consolidation at the left lung base is seen and pneumonia can not be excluded .
    OUTPUT:
    
Small left pleural effusion and mild pulmonary vascular congestion pattern indicative of volume overload . Increasing consolidation at the left lung base may be due to developing infection .