borderline significanceP = 5.837 × 10 −2
Observations have also revealed that, in GSE47404 , 52.6% ( n = 10) of ESCC1 samples were well differentiated with borderline significance ( P = 5.837 × 10 −2 , Fisher exact test, Figure 2B ), whereas 42.8% ( n = 6) of the ESCC2 samples were poorly differentiated ( P = 6.953 × 10 −3 , Fisher exact test, Figure 2B ).