Results The diagnosis accurate rate of ultrasound was 94% (15/16). A transverse tube-like anechoic area was detected in the upper-middle abdomen on ultrasonogram.

All the cases had plain CT of upper and middle abdomen and enhanced CT of abdomen, and to observe the size, shape, density, enhancement and distribution of lymph nodes.

The top and bottom are traditional cotton, while the middle core is an elastic, synthetic material that compresses your abdomen.