Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates approximately 4 cm above the carina . Additionally , there is a left PICC and nasogastric tube in unchanged position . Compared to the prior radiographs taken on the same day ___ at 02 :34 , there is worsening of the bilateral lower lobe heterogeneous opacities with airspace features . The upper lung fields are otherwise clear . There is no pneumothorax . There are bilateral small pleural effusions , not markedly changed from the previous radiograph . The sternal cerclage wires and aortic calcification is unchanged .
    OUTPUT:
    
1 . Endotracheal tube in appropriate position . 2 . Worsening bilateral lower lobe pneumonia , concerning for evolving pneumonia , possibly secondary to aspiration .