Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right mastectomy . Volume loss in the right hemithorax with right hemidiaphragmatic elevation , distortion and enlargement of the right hilum and linear opacity in the right lung apex are likely related to prior radiation therapy . The lungs are clear without new focal consolidation , pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette is unchanged . Gaseous distention of bowel in the upper abdomen has increased from ___ .
    OUTPUT:
    
1 . No pneumonia , edema , or effusion . 2 . Gaseous distention of bowel in the upper abdomen .