Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is in appropriate position , 3 .5 cm cranial to the carina . A left internal jugular approach central venous catheter terminates in the low SVC . Compared to earlier study , lung volumes are lower , accentuating the cardiac silhouette and pulmonary vasculature . There is redemonstration of small left - sided pleural effusion as well as hazy opacity at the left lung base in the background of some mild edema . There is no pneumothorax .
    OUTPUT:
    
1 . Appropriate position of endotracheal tube . 2 . Redemonstration of left - sided pleural effusion , left base opacities in the background of mild edema , which could represent infection . Lateral view may be helpful for characterization .