Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large left pleural effusion and small right pleural effusion are again noted , similar compared to the prior chest CT . The aerated portions of the lungs are grossly clear , with mild atelectasis in the bases . The heart is mildly enlarged , stable since the prior examinations . A left chest wall pulse generator device is unchanged in position , with leads terminating in the right atrium and right ventricle . There is no evidence of pneumothorax or overt pulmonary edema . No displaced rib fractures are noted . A partially imaged healed right proximal humerus fracture is again seen .
    OUTPUT:
    
1 . Large left and small right pleural effusions , with adjacent atelectasis . 2 . Mild cardiomegaly is stable .