Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates 4 .9 cm above the carina . An enteric tube courses into the stomach . Opacity at the lungs bases could represent atelectasis or aspiration . No pleural effusion or pneumothorax . Heart is normal size . The mediastinal and hilar structures are unremarkable . A calcified granuloma is seen at the left lung apex . No obvious rib deformities .
    OUTPUT:
    
1 . Endotracheal tube 4 .9 cm above the carina . 2 . Opacity at the lungs bases could represent atelectasis or aspiration .