High serum levels of interleukin-6 in endometrial carcinoma are associated with uterine serous papillary histology, a highly aggressive and chemotherapy-resistant variant of endometrial cancer.
Bellone S, Watts K, Cane' S, Palmieri M, Cannon MJ, Burnett A, Roman JJ, Pecorelli S, Santin AD. High serum levels of interleukin-6 in endometrial carcinoma are associated with uterine serous papillary histology, a highly aggressive and chemotherapy-resistant variant of endometrial cancer. Gynecol Oncol. 2005 Jul; 98(1):92-8.