A Study of Nasopharyngeal Carcinoma From Guangdong

A Prospective Cohort Study of Nasopharyngeal Carcinoma to Establish Prognostic Models, to Discover Toxicity Associated Predictors and to Validate Randomized Trials in Clinical Practice

This prospective cohort study aims to establish prognostic models, to discover toxicity associated predictors and to validate randomized trials in clinical practice.

Inclusion Criteria:

• histological confirmed nasopharyngeal carcinoma;
• scanned by magnetic resonance imaging from calvaria vertex to clavicles before treatment;
• pretreatment Epstein-Barr virus deoxyribonucleic acid copy number is available;
• irradiated with intensity-modulated radiotherapy;

Exclusion Criteria:

• finishing anticancer therapy in two or more hospitals;
• pregnancy or lactation;
• diagnosed with other sort of cancer before or during the treatment.