1. Department of Pathology, Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
2. Department of Hematological Oncology, Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
3. Department of Pathology, Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China