a1.(PhaseIClinicalTrialCenter,BeijingShijitanHospital,CapitalMedicalUniversity。Beijing100038.China) Abstract. -Objective ToanalyzeserumconcentrationofDR一7O(malignanttumormarker)in142patientswithma— lignanttumorsandtoevaluatetheaccuracyofthismarkerincancerdiagnosis.Methods ...