Expression of RET is associated with Oestrogen receptor expression but lacks prognostic significance in breast cancer

Table 2 Association between RET expression and clinicopathological parameters

Clinicopathologic parameter	RET-positive		RET-negative		p value
Mean tumour size (mm) ± SD	31 ± 17		32 ± 18		0.309
Mean age at diagnosis (years) ± SD	64 ± 14		64 ± 14		0.550
	(n)	(%)	(n)	(%)
Tumour stage					0.546
pT1	99	41.9	137	58.1
pT2	224	41.4	317	58.6
pT3	39	45.9	46	54.1
pT4	46	36.2	81	63.8
NA	1	100	0	0
Lymph node involvement					0.468
pN0	201	39.6	307	60.4
pN1	163	44.1	207	55.9
pN2	37	37.8	61	62.2
pN3	4	50.0	4	50.0
NA	4	66.7	2	33.3
Tumour grade					0.401
1	91	44.2	115	55.8
2	137	38.7	217	61.3
3	181	42.2	248	57.8
NA	0	0	1	100
Oestrogen receptor					< 0.0001
ER⁺	295	46.0	347	54.0
ER⁻	114	32.8	234	67.2
HER2					0.666
HER2⁺	72	43.1	95	56.9
HER2⁻	337	40.9	486	59.1
Ki67					0.635
Ki67^-high	331	41.7	463	58.3
Ki67^-low	75	39.5	115	60.5
NA	3	50.0	3	50.0

ISSN: 1471-2407