Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal pneumomediastinum distributed along the aortic knob is consistent with the recent pericardiocentesis . Normal heart size is unchanged since ___ . Left mid and lower lung opacity , which is combination of loculated pleural effusion , atelectasis and / or consolidation , has minimally improved since ___ . Mild - to - moderate right pleural effusion is appreciated on chest CT dated ___ is not really redemonstrated on the chest radiograph and for its evaluation , please refer to the dedicated chest CT . No evidence of pneumothorax .
    OUTPUT:
    
1 . Lower lung opacity , which is a combination of loculated effusion , atelectasis and / or consolidation , is minimally better since ___ . 2 . Minimal pneumomediastinum is consistent with recent pericardiocentesis . 3 . Mild - to - moderate right pleural effusion appreciated on chest CT dated ___ is not really appreciated on the chest radiograph .