Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Mediastinal and hilar contours are unchanged , with aortic knob calcifications again demonstrated . The patient is status post right upper lobectomy with fluid noted in the right upper hemithorax , similar to that seen on the prior CT . There is no focal consolidation , new pleural effusion or pneumothorax otherwise demonstrated . Pulmonary vascularity is not engorged . Minimal patchy bibasilar opacities likely reflect atelectasis .
    OUTPUT:
    
Status post right upper lobectomy with expected postoperative changes . Minimal bibasilar atelectasis .