Table 6. CA 19.9 blood levels before and after the RFA procedure in subgroups of group A, consisting of patients with CA 19.9 values reduced more than 30%.

Patients of group A (values reduced more than 10 Units) with CA 19.9 values reduced more than 30%	CA 19.9 values pre	CA 19.9 values post
1	504	204
2	2,697	1,561
3	156	51
4	106	30
5	277	158
6	238	117
7	649	160
8	233	144
9	2,229	185
10	769	176
11	234	160
12	948	39
13	39	24
14	253	165
15	4,843	2,650
16	163	103

RFA, radiofrequency ablation.