Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral IJ catheters terminating at the upper and mid SVC , and a tracheostomy tube terminating 5 .6 cm above the carina are unchanged in position . The heart size remains normal . The hilar and mediastinal contours remain within normal limits . There is no pneumothorax . A small right pleural effusion is unchanged . Bilateral linear pulmonary opacities likely reflect atelectasis . There is no pulmonary edema .
    OUTPUT:
    
Small right pleural effusion and a bilateral atelectasis appears minimally changed since ___ . No new pulmonary opacity .