Table 1.

Characteristics of non-mass breast lesions.

	Type of breast lesion (n = 49)
	Benign (n = 37)		Malignant (n = 12)
Variables	High-risk	Non high-risk	DCIS	Invasive carcinoma	p-Valuesa
Frequency	5 (10.2)	32 (65.3)	5 (10.2)	7 (14.3)	–
Patients’ age, mean ± SD, years	50.0 ± 2.5	45.7 ± 11.7	48.0 ± 11.6	54.0 ± 10.9	0.16
Palpability
Palpable	2 (40.0)	13 (40.6)	3 (60.0)	5 (71.4)	0.12
Non-palpable	3 (60.0)	19 (59.4)	2 (40.0)	2 (28.6)
Overall breast composition
Homogenous fat	3 (50.0)	3 (50.0)	0 (0)	0 (0)
Homogenous fibroglandular	0 (0)	2 (100.0)	0 (0)	0 (0)	0.35
Heterogeneous	2 (4.9)	27 (65.9)	5 (10.2)	7 (14.3)

Note: Data are presented as n (%), unless stated otherwise.

^aAcross benign and malignant lesions.

DCIS: ductal carcinoma in-situ; SD: standard deviation.