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. 2022 Jan;11(1):216–225. doi: 10.21037/gs-21-911

Table 1. Clinical and pathological characteristics of the included patients at baseline.

Characteristic Patients (n=21)
Age (years), median [range] 48 [28–57]
Clinical tumor stage, n (%)
   T1 2 (9.5)
   T2 6 (28.6)
   T3 2 (9.5)
   T4 11 (52.4)
Clinical lymph node status, n (%)
   N0 2 (9.5)
   N1 6 (28.6)
   N2 8 (38.1)
   N3 5 (23.8)
Clinical stage, n (%)
   II 4 (19.0)
   III 17 (81.0)
ECOG performance status, n (%)
   0 21 (100.0)
   1 0
Histological type, n (%)
   Invasive ductal carcinoma 20 (95.2)
   Paget’s disease 1 (4.8)
Hormone receptor status, n (%)
   ER and/or PgR positive 8 (38.1)
   ER and PgR negative 13 (61.9)
Ki-67 level, n (%)
   <30% 5 (23.8)
   ≥30% 15 (71.4)
   Unknown 1 (4.8)

ER, estrogen receptor; PgR, progestogen receptor.