In this article (Cancer Discov 2016;6:811), which was published in the August 2016 issue of Cancer Discovery (1), the Ventana PD-L1 (SP142) assay, a complementary diagnostic, was incorrectly referred to as a companion diagnostic. The online version of the article has been corrected. The publisher regrets the error.

1.
Nods for atezolizumab and nivolumab from FDA
.
Cancer Discov
2016
;
6
:
811
.