One row was removed because the ref bases do not match the reference genome.

+------------+------------+-----------+------+------+-----------+
| chromosome | start_hg19 | stop_hg19 | ref  | alt  | sample_id |
+------------+------------+-----------+------+------+-----------+
| 19         |      27368 |     27369 | AC   | A    | 13861.p1  |
+------------+------------+-----------+------+------+-----------+