Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 831 are submitted
    OUTPUT:
    
Bibasilar pigtail pleural catheters remain in place . There is no large residual effusion , although of the presence of a small amount of fluid is still possible . The right subclavian PICC line is unchanged position . Surgical clips overlie the left axilla . Linear opacity at the left base most likely reflects subsegmental atelectasis . There is patchy opacity at the right base which also could reflect atelectasis , although superimposed pneumonia should be considered . In addition , the interstitium is slightly more prominent on the current study raising the possibility of superimposed mild interstitial edema . Clinical correlation is advised . No pneumothorax . Overall cardiac and mediastinal contours are unchanged .