source_name	group
CASE_1	metastasized cancer	CASE
CASE_2	metastasized cancer	CASE
CASE_3	metastasized cancer	CASE
CASE_4	metastasized cancer	CASE
CASE_5	metastasized cancer	CASE
CTRL_1	normal colon	CTRL
CTRL_2	normal colon	CTRL
CTRL_3	normal colon	CTRL
CTRL_4	normal colon	CTRL
CTRL_5	normal colon	CTRL