Table 2. Participant cancer and cancer treatment history (n = 126).

	Genotype
	E2−	E2+	E4−	E4+
Cancer type	n (%)
Breast	77 (71)	10 (59)	67 (69)	20 (69)
Cervical	3 (3)	0 (0)	1 (1)	2 (7)
Colon	6 (6)	2 (12)	6 (6)	2 (7)
Lung	3 (3)	2 (12)	5 (5)	0 (0)
Lymphoma	5 (5)	1 (6)	4 (4)	2 (7)
Ovarian	6 (6)	1 (6)	6 (6)	1 (3)
Uterine	5 (5)	1 (6)	4 (4)	2 (7)
Other	4 (4)	0 (0)	4 (4)	0 (0)
Cancer stage
I	29 (27)	6 (35)	24 (25)	11 (38)
II	39 (36)	4 (24)	34 (35)	9 (31)
III	30 (28)	5 (29)	30 (31)	5 (17)
IV or metastatic	0 (0%)	0 (0)	0 (0%)	0 (0)
No stage/don’t remember	11 (10)	2 (12)	9 (9)	4 (14)
Cancer treatment received	108 (99)	16 (94)	96 (99)	28 (97)
Chemotherapy	109 (100)	17 (100)	97 (100)	29 (100)
Surgery	99 (91)	13 (76)	85 (88)	27 (93)
Radiation	74 (68)	9 (53)	63 (65)	20 (69)
Hormone therapy	40 (37)	3 (18)	33 (34)	10 (34)
Diagnosed with any other type of cancer?	21 (19)	3 (18)	21 (22)	3 (10)
Total	109 (100)	17 (100)	97 (100)	29 (100)