Correction: World Journal of Surgical Oncology (2021) 19:131.

https://doi.org/10.1186/s12957-021-02234-1.

Following the publication of the original article [1], the author reported that they miss to include the following Funding statement:

Funding.

This research was supported by the Natural Science Foundation of Hebei Province (H2020206311) and the Central Guiding Local Science and Technology Development Fund Project (Hebei Science and Technology Department Project) (226Z7712G).

The original article has been updated.