Case Report
Copyright ©The Author(s) 2024.
World J Clin Cases. Aug 26, 2024; 12(24): 5622-5627
Published online Aug 26, 2024. doi: 10.12998/wjcc.v12.i24.5622
Figure 3
Figure 3 Keyboard sign. The proximal “keyboard sign” was dense and neat (left arrow), while the distal “keyboard sign” was sparse and irregular (right arrow).