Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP chest radiograph was provided . Left CP angle is excluded . The ET tube is 4 .7 cm above the carina . NG tube courses below the diaphragm and temrinates in the stomach . There is no focal consolidation , pleural effusion , or pneumothorax . There is mild elevation of the left hemidiaphragm with left basilar atelectasis . Cardiomediastinal silhouette is unremarkable . Osseous structures are intact . There are no displaced fractures .
    OUTPUT:
    
Left basilar atelectasis . ETT and NGT positioned appropriately .