Department of Urology,Shandong Cancer Hospital Affiliated to Shandong University,Jinan 250117,Shandong,P.R.China;
Department of Breast Surgery QiLu Hospital,Shandong University,Jinan 250012,Shandong,P.R.China;
Department of Urology,QiLu Hospital,Shandong University,Jinan 250012,Shandong,P.R.China;
Chromophobe; renal; cell; carcinoma; Polycythemia; vera; Erythrocytosis; Misdiagnosis;