Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of an endotracheal tube courses into the right mainstem bronchus . Recommend withdrawal by approximately 5 cm for more optimal positioning . During this study , the endotracheal tube was drawn to approximately 3 .5 cm above the level of the carina . An enteric tube courses below the level of the diaphragm , into the left upper quadrant and expected location of the stomach . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Right mainstem bronchus intubation . Recommend withdrawal by approximately 5 cm for more optimal positioning . During the examination , the endotracheal tube was withdrawn to approximately 3 .5 cm above the level of the carina .