Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable tortuous descending aorta . Otherwise , mediastinal , hilar and cardiac contours are unchanged . No cardiomegaly evident . No focal opacification concerning for pneumonia . Possible trace bilateral pleural effusions noted . Degenerative changes are present throughout the thoracic spine without loss of vertebral body height . Right - sided PICC line terminates in the mid SVC . No pneumothorax .
    OUTPUT:
    
Trace bilateral pleural effusions .