Table 2.

Characteristics of the CK20 positive patients and comparison of the two different antibodies used for immunomagnetic enrichment

Pat. No.	Diagnosis	TNM	UICC-Stage	BerEP4-Beads	KS 1/4-Beads
2	Rectal Cancer	T3 N2 M0	III	positive	negative
5	Left Colon Cancer	T2 N0 M0	I	negative	positive
9	Metachronous liver metastasis from Rectal Cancer	Tx Nx M1	IV	positive	negative
17	Right Colon Cancer	T3 N1 M0	III	positive	negative
22	Synchronous liver metastasis from Colon Cancer	T3 N2 M1	IV	negative	positive
23	Metachronous liver metastasis from Rectal Cancer	Tx Nx M1	IV	negative	positive
25	Right Colon Cancer	T4 N2 M0	III	positive	negative
28	Synchronous liver and bone metastasis from Colon Cancer	Tx Nx M1	IV	positive	negative
31	Rectal cancer	T1 N0 M0	I	negative	positive
32	Metachronous liver metastasis from Rectal Cancer	Tx Nx M1	IV	positive	negative
37	Metachronous liver metastasis from Rectal Cancer	Tx Nx M1	IV	negative	positive