Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 5 cm above the level of the carina . An enteric tube courses through the esophagus , with an abnormal curvature to the left , within a moderate - sized retrocardiac hiatal hernia . The mediastinum and heart are shifted to the left due to volume loss and collapse of the left lower lobe . Left midlung linear atelectasis is noted , along with a layering left pleural effusion . There is no pneumothorax . The right lung is grossly clear .
    OUTPUT:
    
Left lower lobe collapse , with mediastinal shift , and elevated left hilus likely in part due to moderate hiatal hernia . Left pleural effusion and linear atelectasis .