Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . Right upper lobe nodule seen on prior CT is not well visualized on the current radiograph . Minimal atelectasis is seen in the left lung base . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .