I Had a Mole Removed and It Had Veins What Does That Mean

Veins are not unusual in moles, and don't necessarily mean it is cancerous.  However, a skin cancer called Basal Cell Carcinoma tends to have increased blood vessels as well.  Because it has changed and gotten darker, it was a good idea to get it removed and tested.  The pathology lab will tell you whether this was benign, or if there are cancer cells, in which case further treatment to the area will be needed.