Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . Hilar contours are stable . Previously seen opacity in the medial aspect of the left upper lobe has decreased in the interval . No new focal consolidation is seen .
    OUTPUT:
    
No acute cardiopulmonary process .