Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior exam , the subcutaneous emphysema has resolved . The lung volumes are higher . A linear opacity at the left base is most consistent with atelectasis . A small right pleural effusion is present , appreciated best on the lateral view . There is no evidence of pneumonia , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Left basilar atelectasis . 2 . Small right pleural effusion .