Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Heart size is top normal and there is mildly increased widening of the mediastinum . Small opacity in the left lung base is new , could be scar or nodule , less likely infection . Prominence of the pulmonary vascular markings is consistent with vascular congestion . No substantial pleural effusion or pneumothorax .
    OUTPUT:
    
Pulmonary vascular congestion . New left lung nodule or scar . Imaging followup should include conventional PA , Lateral CXR , comparison to prior studies since the CXR her on ___ . ED QA nurses notified by email from Dr . ___ .