Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates stable postsurgical changes related to prior right upper lobectomy with persistent right apical pleural fluid and slight rightwards mediastinal shift due to volume loss . The trachea is deviated the right . The hila are also retracted up or . Asymmetric appearance of anterior right ribs may also be postsurgical . Heterogeneous opacity inferior to the left hilum is noted . There is blunting of both costophrenic angles , which is new compared with ___ . No gross pleural effusion . No pneumothorax . The heart is not enlarged . . No free air seen beneath the diaphragm . Fixation hardware noted overlying the lower cervical spine .
    OUTPUT:
    
Background COPD and postoperative changes . No frank consolidation . Heterogeneous infrahilar opacity may represent scarring however differential includes pneumonia in the appropriate clinical setting . Recommend followup chest radiograph in 6 weeks once clinically stable to assess for interval resolution . s