Characteristics     EG      CG
Age (years old)    57.2 ± 22.4 (31-80) 56.6 ± 23.7 (27-76)
Gender    Male    Female 35 (61.4%) 22 (38.6%)        26 (52.0%) 24 (48.0%)
Tissue Type    TCa    GCa 27 (47.4%) 30 (52.6%) 24 (48.0%) 26 (52.0%)
Table 1: Patients’ characteristics.