Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall appearance is similar to the immediate prior study . A moderate layering left pleural effusion is unchanged with associated atelectasis . A right basilar chest tube is in unchanged location with a slight interval increase in the right pleural effusion . Mild pulmonary vascular congestion and cardiac enlargement are stable . There is no pneumothorax or focal consolidation . A calcified tortuous aorta is unchanged . Multiple surgical clips and midline sternotomy wires there is unchanged .
    OUTPUT:
    
1 . Slight interval increase in small right pleural effusion with pigtail catheter in place . 2 . No pneumothorax .