Table 2.

Results of sentinel lymph node identification with PET/CT and near-infrared imaging for each patient

Patient	Foci	LN status after pathology	Assigned as SLN by PET-CT imaging before surgery	Marked intraoperatively using NIR-ICG	Additional ex vivo positive for NIR-ICG	Marked postoperatively at PET/CT of the specimen	Identified at postoperative analysis of the 1st PET/CT	Identified at postoperative analysis of the 2nd PET/CT	Identified at postoperative analysis of the 3th PET/CT
1	A	No LN tissue	Yes	Yes		Yes	–	–	Yes
	B	No LN tissue	–	Yes		–	–	–	–
	C	No LN tissue	–	Yes		–	–	–	–
	D	No LN tissue	–	Yes		–	–	–	–
	E	No LN tissue	–	–	Yes	Yes	–	–	–
	F	LN	–	Yes		Yes	–	–	–
	LN diaphragm	Not harvested	Not harvested				–	Yes	Yes
	LN pre-aortal 7 x not found	Not harvested	Not harvested				–	Yes	Yes
							1x not found	4 x not found	2 x not found
2	A	2 x SLN	Yes	Yes		Yes	Yes	Yes	Yes
	B	SLN	Yes	Yes		Yes	Yes	Yes	Yes
	C	SLN	Yes	Yes		Yes	Yes	Yes	Yes
	D	SLN	Yes	Yes		Yes	Yes	Yes	Yes
	E	2 x SLN	Yes	Yes		Yes	–	Yes	Yes
	F	SLN	Yes	Yes		Yes	–	–	Yes
3	A	SLN	Yes	Yes		Yes	–	Yes	Yes
	B	SLN	Yes	Yes		Yes	–	Yes	Yes
	C	LN	–	Yes			–	–	–
	D	LN	–	Yes			–	–	–
	1 x not found								1 x not found
4	A	SLN ITC	Yes	Yes		Yes	–	Yes	Yes
	B	(IHC)	Yes	Yes		Yes	–	–	Yes
	C	SLN	Yes	Yes		Yes	–	Yes	–
	D	SLN	–	Yes		Yes	–	–	–
	E	LN	–	Yes		–	–	–	–
	F	LN	–	Yes		Yes	–	–	–
	G	LN	–	–	Yes	Yes	–	–	–
	5 x not found	LN	–					1x not found	4x not found
5	A	2 x SLN	Yes	Yes		Yes	Yes	Yes	–
	B	SLN	Yes	–	Yes	Yes	–	–	Yes
	C	LN	–	Yes		Yes	–	–	–
	D	LN	–	–	Yes	Yes	–	–	–
	E	LN	–	Yes		Yes	–	–	–
	F	2 x LN	–	Yes		Yes	–	–	–
	3 x not found		–				1x not found		2 x not found
6	A	SLN	Yes	Yes		Yes	Yes	Yes	Yes
	B	SLN	Yes	Yes		Yes	Yes	–	Yes
	C	LN	–	Yes		Yes	–	–	–
	D	LN	–	Yes		–	–	–	–
	E	LN	–	Yes		–	–	–	–
	F	LN	–	Yes		–	–	–	–
	5 x not found		–	–		–	2 x not found	1 x not found	2 x not found
	1 x no LN tissue		–	1 x no LN tissue			–	–	–
7	A	2 x SLN	Yes	Yes		Yes	–	Yes	Yes
	B	SLN	Yes	Yes		Yes	Yes	Yes	Yes
	C	SLN	Yes	–	Yes	Yes	–	Yes	Yes
	1 x not found						1 x not found
8	A	SLN	Yes	Yes		Yes	–	Yes	Yes
	B	SLN	Yes	–	Yes	Yes	Yes	Yes	Yes
	C	3 x SLN	Yes	–	Yes	Yes	–	Yes	Yes
	D	LN	–	Yes		Yes	–	–	–
	E	LN	–	–	Yes	Yes	–	–	–
	F	LN	–	Yes		Yes	–	–	–
	G	LN	–	–	Yes	Yes	–	–	–
	1 x not found		–						1 x not found
Total	71 foci			21 x SLN	6 x SLN	27 x SLN	11 x SLN	23 x SLN	24 x SLN
	21 foci with 27 SLN			16 LN	4x LN	14 x LN
	19 foci with 20 LN
	23 not found
	6 no LN tissue
	2 not harvested

LN = Lymph Node; SLN = Sentinel Lymph Node; NIR-ICG = Near infrared-Indocyanine Green