Figure 5.

Immunohisotchemical analaysis of primary breast cancer specimens for interleukin-6 (IL-6) (upper panels) and tyrosine-phosphorylated signal transducer and activator of transcription 3 (pStat3) (bottom panels). Examples of high pStat3 and IL-6 (left panels) as well as low pStat3 and IL-6 (right panels) are indicated.