Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained with the patient in semi-upright position . Support and monitoring devices are in their appropriate positions and unchanged . A left chest tube is in place with the tip projecting over the left apex . There is no pneumothorax . There are increased bibasilar opacities with small bilateral pleural effusions . The cardiomediastinal silhouette is stable . There is again extensive subcutaneous emphysema involving the neck and the entire chest . Pneumoperitoneum is less well seen . There is an old left humeral head fracture .
    OUTPUT:
    
1 . Left chest tube in place without pneumothorax . 2 . Increased bibasilar opacities with small bilateral pleural effusion , likely secondary to overhydration . 3 . Stable extensive subcutaneous emphysema with improvement in pneumoperitoneum .