In lots of conditions, the moment a vascular tumor like a hemangioma shrinks, it will never regrow — the regression is long lasting. Nonetheless, as much as thirty % of hemangiomas will not totally shrink. 37.Shin B S, Do Y S, Cho H S et al. Cardiovascular consequences and predictability https://sgvasculargrp.com/medical-condition/vascular-malformations/