Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 18 :38 is submitted .
    OUTPUT:
    
The right lung remains over expanded and grossly clear . Small right - sided pulmonary nodules on CT ___ are not appreciated on the plain radiograph . The appearance of left hemithorax with opacity predominantly at the left base and associated nodular pleural opacity is unchanged and likely reflects a combination of the known left basilar mass and either loculated pleural fluid or pleural metastasis . No pneumothorax is seen . No evidence of pulmonary edema . Cardiac and mediastinal contours remain shifted to the left . Spinal hardware is seen overlying the lower thoracic and upper lumbar spine .