Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest the endotracheal tube is seen within the trachea with its tip located approximately 3 .6 cm above the carina . An orogastric tube extends into the left upper abdomen with its tip excluded from view . Mild basal atelectasis noted without large effusion , convincing evidence for pneumonia or edema . The cardiomediastinal silhouette appears normal . No convincing evidence for pneumothorax on this semi upright view . Bony structures are intact .
    OUTPUT:
    
Tubes positioned appropriately . Mild bibasilar atelectasis .