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Clinical and pathological characteristics in NPC patients
| Characteristics | Number of cases |
|---|---|
| Mean age range (years) | 44 (28–61) |
| Sexual distinction | |
| Male/female | 16/4 |
| Degree of differentiation | |
| Undifferentiated/differentiated | 14/6 |
| Histology | |
| Squamous/others | 20/0 |
| Lymph node metastasis | |
| Positive/negative | 16/4 |
| Distal metastasis | |
| Positive/negative | 0/20 |
| Clinical TNM stage | |
| (I–II/III–IV) | 3/17 |
