fig2

Figure 2. Lymphatic ultrasonogram. Of the D-CUPS (Doppler, Cross, Uncollapsible, Parallel, Superficial fascia) indices, D is explained. Blue circles indicate veins and yellow circles indicate lymph vessels. (A) B-mode image; (B) Doppler mode image. Vein is colored blue, but lymphatic vessel is not colored. (Link to YouTube video of lymphatic ultrasound: https://www.youtube.com/watch?v=IYrxIgB9c-Q).