**Correction to: BMC Cancer (2019) 19:227**

**https://doi.org/10.1186/s12885-019-5406-x**

Following publication of the original article \[[@CR1]\], the authors reported that Fig. [ 3](#Fig1){ref-type="fig"} was incorrectly published with two "b" labels.  The corrected figure is given below. Fig.  3Immunohistochemical staining of OLFML2B in gastric specimens.  Matched (**a**) and (**b**), high expression of OLFML2B in GC and low expression in NG tissues; Matched (**c**) and (**d**), low expression of OLFML2B in GC tissues and high expression in NG; Matched (**e**) and (**f**), low expression of OLFML2B in GC and NG; Matched (**g**) and (**h**), there was no statistical difference between GC and NG tissues.  Left: GC tissues (× 400); Right: NG tissues (× 400)

The original article \[[@CR1]\] has been corrected.