Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no evidence of pneumonia . The right - sided PICC line is in adequate position in the upper portion of the SVC . The mediastinal and cardiac contours are within normal limits . There is no pneumothorax and no pleural effusion .
    OUTPUT:
    
There is no significant change since the previous exam . There is no evidence of pneumonia .