Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided Port - A - Cath terminates at the mid SVC . The heart size is normal . The hilar and mediastinal contours are within normal limits . There is no pneumothorax or focal consolidation . Trace pleural effusions are present .
    OUTPUT:
    
Trace pleural effusions . No acute intrathoracic process .