Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided port is seen with catheter terminating in the mid SVC , without evidence of pneumothorax . There is elevation of the right hemidiaphragm . There are low lung volumes which cause of vascular crowding , however , there appears to be some vascular congestion . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Chronic deformity at the right shoulder is partially imaged .
    OUTPUT:
    
Low lung volumes with likely some vascular congestion . Persistently elevated right hemidiaphragm .