Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly is unchanged . Widening of the superior mediastinal contour is stable . There is no pulmonary vascular engorgement . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .