The Survival and Prognosis Characteristics of Primary Esophageal Small-Cell Carcinoma

Table 1

Baseline characteristics of PSCCE patients.

	Number	Rate
Gender
Male	69	57.98
Female	50	42.02
Age (year, )
Tumor local
Upper	10	8.4
Middle	93	78.15
Lower	16	13.45
pTNM stage
I-IIa	20	16.81
IIb	39	32.77
IIIa	18	15.13
≥IIIb	42	35.29
Lymph node metastasis
Negative	53	44.54
Positive	66	55.46
Therapy
Surgery only	65	54.62
Surgery with chemotherapy	41	34.45
Surgery with chemoradiotherapy	13	10.93

PSCCE: primary small-cell carcinoma of esophagus; T: tumor; N: regional lymph node; M: metastasis; SD: standard deviation.