Table 1.

Summary of clinical characteristics.

Patient ID	Sex	Age	Primary site	Grade	Treatment	CellSearch CTCs	Parsortix CTCs	WBC	Fresh tissue single cells	FFPE single cells	FFPE bulk samples
1	M	74	Small intestine	2	na	4	na	4	na	na	na
2	F	45	Small intestine	3	PEN-221	15	5	na	na	2	Pituitary metastasis
3	F	69	Small intestine	2	na	7	8	na	8	na	Small bowel
4	M	65	Small intestine	1	SSA	18	na	na	na	na	Small bowel
5	M	47	Pancreas	2	na	12	na	4	na	na	na
6	M	64	GOJ	3	na	11	na	na	na	1	na
7	F	33	Renal	2	PEN-221	21	11	10	na	2	na

All tissue samples are FFPE unless specifically indicated otherwise.

F, female; FFPE, formalin-fixed paraffin-embedded; GOJ, gastro-esophageal junction; M, male; na, not applicable; SSA, somatostatin analogs; PEN-221, novel antibody-drug conjugate.