Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . Prominence of the right superior mediastinal contour likely reflects tortuous vessels and is unchanged . The hilar contours are normal , and the pulmonary vascularity is not engorged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .