Long-term outcome of definitive radiotherapy for cervical esophageal squamous cell carcinoma

Radiation Oncology

Table 1 Patient characteristics

Parameters
Median age	65 (interquartile range 60–69)
Female/Male	5/25
Performance status (0–1/2)	26/4
Current smoker/others	19/11
Current drinker/others	26/4
Medications for cardiovascular disease/none	17/13
Clinical stage (I/II/III/IV) ^a	3/2/12/13
T status (1/2/3/4)	3/4/6/17
N status (0/1/2/3)	9/16/5/0
M status (0/1LYM) ^b	17/13
Resectable/unresectable^c	10/20
Concurrent chemotherapy (with/without)	26/4

^aClassification of the clinical stage was based on the seventh edition of the TNM classification for esophageal cancer
^bM1LYM means supraclavicular or cervical lymph nodal metastasis, which was included in the irradiation fields
^cThe invasion of the primary tumor or metastatic lymph nodal metastasis to the trachea or artery

ISSN: 1748-717X