Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dobbhoff tube courses past the diaphragm and out of view . Mediastinal silhouette and heart borders are normal . There is no pleural effusion . Linear opacity in the right lower lobe represents segmental atelectasis .
    OUTPUT:
    
Dobbhoff tube courses past the diaphragm and out of view .