Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . The endotracheal tube is seen entering the right man stem bronchus . Retraction by at least 3 of 4 cm is recommended for more optimal positioning . The orogastric tube enters the stomach . Lungs are clear . No supine evidence for effusion or pneumothorax . No edema or congestion seen . Cardiomediastinal silhouette is normal . No acute bony injuries .
    OUTPUT:
    
ET tube enters the right mainstem bronchus . Retraction by at least 3 of 4 cm recommended . Otherwise unremarkable exam .