Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The heart is mildly enlarged . The patient is post CABG . There is central pulmonary vascular congestion with mild pulmonary edema , slightly worsened since ___ , with increased small bilateral pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Central pulmonary vascular congestion with mild pulmonary edema and small bilateral pleural effusions have slightly worsened since ___ .