Table 3. CA 19.9 blood levels before and after the RFA procedure in group C, consisting of patients with CA 19.9 values increased more than 10 Units.

Patients of group A (values reduced more than 10 Units) with CA 19.9 values reduced more than 20%	CA 19.9 values pre	CA 19.9 values post
1	504	204
2	2,697	1,561
3	2,554	1,810
4	156	51
5	106	30
6	277	158
7	238	117
8	649	160
9	2,555	2,000
10	599	446
11	233	144
12	2,229	185
13	266	198
14	769	176
15	234	160
16	948	39
17	39	24

RFA, radiofrequency ablation.