Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates approximately 5 cm above the carina , in appropriate position . A nasogastric tube terminates in the stomach with side port not well visualized , likely above the gastroesophageal junction . The lungs are well - expanded . Right lower lung opacity has substantially cleared since ___ . The left lower lung opacity is increased from ___ . No pneumothorax . Pleural effusions are small if any , and incidental to lung abnormality .
    OUTPUT:
    
Findings concerning for aspiration , possibly active pneumonia , worsening at the left base , improving on the right .