Circulating activated lymphocyte subsets as potential blood biomarkers of cancer progression oleh Ying‐Yi Wang, Na Zhou, Hong‐sheng Liu, Xiao‐Lei Gong, Rui Zhu, Xiao‐Yuan Li, Zhao Sun, Xu‐Hong Zong, Ning‐Ning Li, Chang‐Ting Meng, Chun‐Mei Bai, Tai‐Sheng Li