Forty-six cases of nasopharyngeal carcinoma treated with 50 Gy radiotherapy plus hematoporphyrin derivative: 20 years of follow-up and outcomes from the Sun Yat-sen University Cancer Center

Table 2 Causes of death for the 46 NPC patients

Cause	No. of patients	Percentage (%)
Recurrence alone	10	21.7
Nasopharynx	2	4.3
Cervical lymph nodes	4	8.7
Nasopharyngeal and cervical lymph nodes	4	8.7
Distant metastasis alone	7	15.2
Distant metastasis with recurrence in the nasopharynx	1	2.2
Others	12	26.1

ISSN: 2523-3548