I have a large port wine stain birthmark on my chest, but desperately need a breast reduction, what are the risks concerning my birthmark?

None.: It is caused by a spontaneous mutation during embryonic development; discovered last year, it causes permanent malformations of capillaries locally. In some cases when it affects the face, cranium, or an extremely, there may be underlying vascular anomalies, (Surge-Weber syndrome and Klippel–Trénaunay–Weber syndrome), present prior to birth. Coordinate anesthesia for high dose laser therapy.