Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Previously noted opacity in the left upper lobe has resolved . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax . No pulmonary vascular congestion is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .