Correction to: BMC Cancer 20, 591 (2020)

https://doi.org/10.1186/s12885-020-07086-8

Following publication of the original article [1], the authors identified an error in Fig. 2. The corrected Fig. 2 is given below.

Fig. 2
figure 1

Kaplan-Meier analysis of OS and PFS a The median OS was 22 months in the SI group compared with 21 months in the SRCI group (p = 0.751). b The median PFS was 8 months in the SI group compared with 7 months in the SRCI group (p = 0.203)