Increased opacity and consolidation in the right hemithorax with a possible air-fluid level seen in the right midlung zones. Curvilinear lucency at the right lung base may represent a small pneumothorax or pneumoperitoneum. Interval increase in right pleural effusion is also noted.
Pneumoperitoneum (Uncertain) Simple pleural effusion (Present) Pneumonia (Present) Simple pneumothorax (Uncertain)