Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . Mediastinal and hilar contours are unchanged . The pulmonary vasculature is normal . Apart from streaky atelectasis at the left lung base , the lungs are clear . No pleural effusion or pneumothorax is seen . Assessment of the right lung apex is somewhat obscured by the neck soft tissues projecting over this region . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .