Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-021-01171-1/MediaObjects/40792_2021_1171_Fig3_HTML.jpg)
Macroscopic findings of the tumor. The cut surface of the resected tumor exhibiting a heterogeneous, colored appearance, with a gray layer visible at the periphery of the tumor
Macroscopic findings of the tumor. The cut surface of the resected tumor exhibiting a heterogeneous, colored appearance, with a gray layer visible at the periphery of the tumor