HI...MY FRIEND HAD BEEN IN THE HOSPITAL OVER A MONTH

HI...MY FRIEND HAD BEEN IN THE HOSPITAL OVER A MONTH AND HAD TO HAVE BLOOD DRAWN 2-3 TIMES A DAY...SHE SAYS THAT HER VEIN KINDA HAS A BUMP ON IT AND IS A BIT BRUISED..SHOULD SHE BE CONCERNED BOUT IT? I TOLD HER FORM WHAT I SEE , LOOKS LIKE IT JUST NEEDS TIME TO HEAL AND THE BRUISING WILL EVENTUALLY DISAPPEAR?