Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-erect AP portable view of the chest was obtained . Underlying soft tissues cause some underpenetration . Given this , there appears to be moderate pulmonary vascular congestion / edema . The cardiomediastinal silhouette is enlarged . Slight blunting of the left costophrenic angle is most likely due to overlying soft tissue , although very trace pleural effusion can not be excluded . No right pleural effusion is seen . There is no pneumothorax . No focal consolidation is seen .
    OUTPUT:
    
Volume overload and cardiomegaly .