Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left apical pneumothorax is unchanged with no evidence of tension . A loculated retrosternal collection with an air - fluid level is noted , which was not clearly seen on prior exams as they were done portably , not fully upright and with no lateral view . There is no focal consolidation . Bilateral trace pleural effusions are present . The cardiomediastinal silhouette is unchanged . Median sternotomy wires are intact .
    OUTPUT:
    
1 . No change in left apical pneumothorax with no evidence of tension . 2 . Retrosternal loculated collection with an air - fluid level , not clearly seen on prior radiographs relating to lack of lateral view and not being in the upright position .