Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately expanded . However , there is mild worsening of atelectasis in the right middle lobe compared to prior exam in ___ . There is no evidence of focal consolidation , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Mild worsening of atelectasis in the right middle lobe since prior exam .