Arterio venous malformation. Surgery?

Hi, i recently had a surgery for artiero venous malformation on wrist to forearms. My staples were removed yesterday it's been 17 days since my surgery took place but there's so much of pain despite taking pain killers especially in the wrist joint bone and upwards. I'm attaching a pic. Sensitive pic which was taken after surgery and also current pic. My doc says it will pain since theres process going within the body . As some of my arteries were cut and they put some pipe kind of thing within that and opening of which was outside my skin.. they removed some tumour type of thing formed by veins arteries and nerves.. pic has only 3 bones visible so are there ntg else left? How long will it pain. And why is pain not reducing especially on wrist bone and above. Please tell what can be done. And do I need an x ray after surgery?