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Table 1 Baseline characteristics of ESCC patients

From: Immunohistochemical expression and prognostic value of PD-L1 in Extrapulmonary small cell carcinoma: a single institution experience

Characteristics Number (%)
Total patients (n) 34
Age
 Median 68
 Range 20–86
Sex
 Male 19 (56%)
 Female 15 (44%)
Stage
 Limited 11 (32%)
 Extensive 23 (68%)
Localization
 Genitourinary 18 (53%)
 Unknown primary 10 (29%)
 Gastrointestinal 5 (15%)
 Other (Palate) 1 (3%)