Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two right sided chest tubes are unchanged in position . A left - sided PICC is stable in position and seen in a persistent left SVC . There is no evidence of pneumothorax . Small pleural effusions , right greater than left are stable . Right basal opacity is unchanged from the prior exam . Cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Right basal opacity is unchanged . No pneumothorax .