Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right middle lobe linear atelectasis / scarring is again seen . There has been interval resolution of previously seen left lower lobe pneumonia . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . No evidence of free air beneath the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of free air beneath the diaphragms .