Table 1. Fluorescence intensity of tumour and lymph node tissue, correlated with histopathology.

Patient	Mean FI	Ratio	Histopathology
1	832.83	6.41	Tumour
1	2590.50	19.93	Metastatic SLN
1	562.67	4.33	Nonmetastatic ALN
3	1682.33	4.99	Tumour
3	330.00	0.38	Nonmetastatic SLN
4	1771.67	12.75	Tumour
4	704.00	5.06	Nonmetastatic SLN
4	517.67	3.72	Nonmetastatic ALN
5	334.83	1.77	Nonmetastatic SLN
5	412.83	2.18	Nonmetastatic SLN
6	519.83	1.66	Nonmetastatic SLN
6	539.33	1.72	Nonmetastatic ALN
7	4029.83	12.07	Tumour
7	3921.50	11.74	Metastatic ALN
7	3954.00	11.84	Metastatic SLN
7	3341.33	10.00	Metastatic SLN
8	814.17	3.11	Nonmetastatic SLN
9	1966.17	7.28	Tumour
9	3824	14.17	Tumour
9	477.33	1.77	Nonmetastatic ALN
9	402.67	1.49	Nonmetastatic ALN
9	2072	7.67	Metastatic SLN
9	567.50	2.10	Nonmetastatic SLN
10	2106.50	9.80	Tumour
10	1640.67	7.63	Metastatic SLN
11	2852.17	11.41	Metastatic SLN
11	1958.67	7.83	Metastatic SLN
11	3300.33	13.20	Metastatic ALN

SLN=sentinel lymph node; ALN=axillary lymph node; ratio indicates the mean FI of tumour or lymph node tissue over the FI of normal breast tissue.