Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . Small to moderate right pleural effusion is new or increased from the previous examination with accompanying basal atelectasis . No definite left pleural effusion is seen . The lungs are otherwise well expanded without focal consolidation to suggest pneumonia . Mild pulmonary vascular congestion is seen without overt edema . The heart is mildly enlarged . A dual lead pacemaker and changes from prior cardiac surgery noted . Degenerative changes are seen in the right greater than left glenohumeral and acromioclavicular joints .
    OUTPUT:
    
New or increased right small to moderate pleural effusion .