Erratum to: Med Oncol (2015) 32:12 DOI 10.1007/s12032-014-0460-3

An error was inadvertently missed by the author in the original publication, and it has been corrected with this erratum.

PFS of female patients was 6.2 (0–14.4)” should be replaced with “3.4 (0–8.8)” in Table 2 on page 5.