Fig. 1From: Bilateral analysis of the cross-sectional area of the internal mammary arteries and veins in patients with and without breast cancer on breast magnetic resonance imagingFour internal mammary artery and vein patterns as described by Schwabegger. Type 1 (a). Type 2 (b). Type 3 (c). Type 4 (d). From: Arnez et al., Br J Plast Surg. 1995 Dec;48(8):540–5Back to article page