Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT is approximately 3 .8 cm above the carina . The lung volume is small . Pulmonary edema and pulmonary venous congestion are unchanged . Increased left mid lung opacification is concerning for pneumonia . No pleural effusion or pneumothorax . Cardiomegaly is unchanged . The mediastinum is unchanged .
    OUTPUT:
    
1 . Left mid lung opacification is concerning for pneumonia . 2 . Unchanged pulmonary edema and pulmonary venous congestion .