Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the right hemidiaphragm is noted . The heart size is moderately enlarged . The aorta is tortuous . Mediastinal and hilar contours are otherwise unremarkable . There is subsegmental atelectasis within the right lung base . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
Elevated right hemidiaphragm with adjacent subsegmental atelectasis . No acute cardiopulmonary abnormality .