Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle heterogeneous areas of parenchymal opacity are seen within the upper lobes and and right base . There is moderate cardiomegaly . The hila are not enlarged . An endotracheal tube ends 2 .6 cm from the carina . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . Endotracheal tube ends 2 .6 cm from the carina . 2 . Subtle heterogeneous parenchymal opacities in the upper lobes and right base may relate to aspiration in the setting of intubation .