Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube tip is at the level of the right mainstem bronchus orifice . Orogastric tube tip is within the stomach as is the sideport . Heart size is normal . Mediastinal and hilar contours are unremarkable . Minimal patchy opacity in the right lung base likely reflects atelectasis . There is no pleural effusion or pneumothorax . No pulmonary vascular congestion is present .
    OUTPUT:
    
1 . Endotracheal tube tip is at the orifice of the right mainstem bronchus . 2 . Standard position of the orogastric tube . 3 . Probable atelectasis in the right lung base .