Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable position of left - sided chest tube . There is an essentially unchanged minimal left apical pneumothorax . The cardiomediastinal silhouette is unchanged from prior radiograph . The bilateral hila are normal . There is again seen and unchanged right lower lung / right cardiophrenic angle airspace consolidation which may represent sequela of aspiration , or pneumonia , or possibly crowding of vascular structures . There are no new areas of focal consolidation . There is a stable small left pleural effusion with unchanged relaxation atelectasis of the adjacent left lower lobe which is obscuring the left hemidiaphragm .
    OUTPUT:
    
1 . Unchanged minimal left apical pneumothorax . 2 . Unchanged right lower lung / cardiophrenic angle airspace consolidation , possibly sequela of aspiration or pneumonia , or possibly crowding of normal vascular structures . 3 . Stable small left pleural effusion and unchanged adjacent left lower lobe atelectasis .