PP, sensitiity, specificity, accuracy, diagnostic upstaging, and treatment management changes were determined from subset analysis of 123 preiously untreated patients with HN cancer.

• 阳性预测值、敏感性、特异性和精确度、肿瘤诊断分期和治疗处理变化由123例未经治疗的头颈部肿瘤患者子集分析来决定。