Pain and Swelling following Angiogram

Hi there. I had an angiogram three days ago and am finding that pain and swelling, as well as bruising increases each day. My bruising isn't bad, but I do have pain and swelling below the cath site, more so at the top of my thigh, towards the inner part of my thigh. I also feel somewhat of a hardness, however, I really can't discern where it begins or ends, or how large it is. The actual cath site looks good, no swelling or lump right beneath it. It's primarily the area right below the site that causes me concern. I've read over and over that some people experience lumps and bruises. I'm not certain about the swelling or puffiness. I do not have a fever and the area isn't warm to the touch.

Has anyone else experienced these sort of symptoms? Is there cause for concern?

Thank you very much.