Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The continues to be a large right pneumothorax with considerable collapse of the right lung , similar to the previous film . Density along the right heart border may represent atelectasis and crowding of the right hilum in the setting of a collapsed lung . There is mild associated shift of the mediastinum to the left . The right hemidiaphragm is eventrated . The heart does not appear enlarged . On the left , no CHF , focal infiltrate or effusion . A 12 mm rounded opacity lies against the lies adjacent to the left mid chest wall , overlying the left fourth anterior rib . The patient has other known lung nodules that are not well depicted on this film .
    OUTPUT:
    
Large right pneumothorax with mild shift of the mediastinum to the left , similar to the film obtained on ___ at 15 : 15 . Left - sided pulmonary nodule noted . Please see comment above .