There are various type of symptoms depends upon the type of vascular anomaly     ( Link-     Authors book ) like small red or strawberry color lump which may progress up to 1 year of age then gradually regress within 10 -12 years of age without any treatment but sometimes it may become worse and even patient may die if untreated. Some other may present with  pinkish patch or stain on body, bluish compressible mass, pulsatile mass, swelling of part  or whole of limb(s), watery lump(s) on neck or other part of body, etc. Which are sometimes complex and may be so complicated that may endanger life also. Lesions cause disfigurement also.