Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable semi-erect chest radiograph was obtained . Since yesterday , central pulmonary vascular congestion has progressed to mild pulmonary edema which is not as severe as that seen on the ___ . Cardiomegaly is unchanged . A small left effusion may be present . No new consolidation or pneumothorax is present .
    OUTPUT:
    
Progression of central pulmonary vascular congestion to mild pulmonary edema . Findings were discussed with ___ via telephone at 9 :30 on ___ .