Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes have slightly improved in the interim , but a right upper lobe opacity persists . No focal consolidation , edema , or pneumothorax . The pleural effusion seen on the chest CT from ___ is not well appreciated on supine only view . Mild central pulmonary vascular congestion persists . Heart size is normal , unchanged . The descending thoracic aorta slightly tortuous and / or ectatic , unchanged . There is mild , broad dextroconvex scoliosis of the visualized thoracic spine . Numerous lytic lesions are better appreciated on the chest CT .
    OUTPUT:
    
Slightly improved lung volumes with persistent right upper lobe opacity .