Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates a top - normal heart size . Linear opacities at the right lung base is most likely consistent with atelectasis . Probably small right sided effusion is present . No pulmonary edema . Osseous structures demonstrates degenerative changes throughout the thoracic spine . No acute osseous abnormality is identified .
    OUTPUT:
    
Minimal right pleural effusion and atelectasis . No focal consolidation convincing for pneumonia .