Table 2. Clinical characteristics of paired esophageal cancer tissue samples.

ID.	Age (years)	Sex	Smoking status	Tumor grade	Tumor stage
1	76	Male	No	High grade	Non-muscle invasive
2	64	Female	Yes	Low grade	Invasive
3	61	Male	No	High grade	Non-muscle invasive
4	74	Female	No	Low grade	Invasive
5	64	Male	No	High grade	Non-muscle invasive
6	46	Female	No	Low grade	Non-muscle invasive
7	57	Male	Yes	High grade	Invasive
8	51	Female	Yes	Low grade	Non-muscle invasive
9	60	Male	No	High grade	Invasive
10	78	Female	Yes	High grade	Non-muscle invasive
11	75	Male	Yes	Low grade	Invasive
12	64	Male	Yes	High grade	Non-muscle invasive
13	51	Male	No	Low grade	Invasive
14	63	Female	No	High grade	Non-muscle invasive
15	77	Male	No	High grade	Non-muscle invasive