Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is collapse of the right middle lobe . There is also minimal left lower lung atelectasis . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . Blunting of the posterior costophrenic angles could be due to trace pleural effusions . There is no pneumothorax . Healed bilateral rib fractures are redemonstrated .
    OUTPUT:
    
1 . Right middle lobe collapse . 2 . No focal consolidation . 3 . Possible trace pleural effusions .