My Husband Is On Blood Thinner And He Bruise Easily.

my husband is on blood thinner and he bruise easily. and there is a pea size lump in the middle of the bruise and it is tender. he has bruise in his calf and the other is in the thigh. the lump is soft. it feels like a pea size lymph node. im wondering what could it be. im worried about those lumps.