Fig. 3From: Endocavitary contrast enhanced ultrasound (CEUS): a novel problem solving techniqueCEUS image following ultrasound contrast administration through the in-dwelling pleural catheter with simultaneous greyscale image. Contrast is confined to a solitary pleural loculation (thick arrows), confirming the drain lies within an isolated locule. The remaining pleural fluid is not opacified and does not communicate with the in-dwelling drain (thin arrows)Back to article page