Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath is unchanged in position . There has been interval placement of a left PleurX catheter . The cardiomediastinal and hilar contours are within normal limits and unchanged . There is a moderate pneumothorax seen at the left base with adjacent collapse of the base of the left lung . Additionally , there is a small amount of pleural air seen at the apex of left lung . The right lung is clear . There is a small right pleural effusion .
    OUTPUT:
    
1 . Interval placement of a left sided PleurX catheter with moderate left pneumothorax and atelectasis at the left base . 2 . Small right pleural effusion .