TABLE 1

Histologic Subtype, Tumor Grade, Pathologic Stage, ¹⁸F-FDG Uptake in SLN, and Pathology Result

Age (y)	Subtype	Grade	Stage	SLN SUV_max	SLN metastasis
53	IDC	2	pT1c N1a Mx	1.2	Positive
35	IDC	3	pT2 N2a Mx	1.5	Positive
74	IDC	2	pT2 N1a Mx	0.8	Positive
45	IDC	2	pT2 N1a Mx	4.1	Positive
53	IDC	2	pT3 N2a Mx	2.8	Positive
67	IDC	2	pT2 N1a Mx	2	Positive
50	ILC (left)^*	2	pT3 N3a Mx	–	–
	ILC (right)	2	pT1c N3a Mx	1.4	Positive
47	IDC	2	pT2 N0 Mx	1.4	Negative
62	IDC	3	pT2 N0(sln) Mx	0.9	Negative
61	IDC	2	pT2 N0(sln) Mx	0.6	Negative
70	IDC	2	pT2 N0 Mx	0.8	Negative
68	IDC	3	pT2 N0 Mx	5.9	Negative
49	IDC	2	pT1a N0(sln) Mx	1.8	Negative
78	IDC	1	pT2p N0(sln) Mx	0.8	Negative
68	IDC	2	pT2 N0(sln) Mx	0.9	Negative
53	IDC	1	pT1c N0(sln) Mx	0.7	Negative
76	DCIS	NA	Bilateral	0.9	Negative
70	ILC and IDC	3 and 2	pmT2 N0(sln) Mx	0.9	Negative
81	ILC	2	pT1c N0 Mx	0.8	Negative
65	IMC	3	pT1c N0(sln)	1.8	Negative

↵* SLN study not done for left breast.
IDC = invasive ductal carcinoma; DCIS = ductal carcinoma in situ; ILC = invasive lobular carcinoma; NA = not applicable; IMC = invasive mammary carcinoma.