Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine AP portable view of the chest was obtained . Endotracheal tube is seen , terminating approximately 4 .1 cm above the level of the carina . Underlying trauma board partially obscures the view . Given this , lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are unremarkable . No displaced fracture is seen . There is mild thoracolumbar scoliosis .
    OUTPUT:
    
No acute intrathoracic process .