What Is The Pain At The Site Of Angioplasty?

hi , i have undergone angioplasty 2 weeks ago after angioplasty every thing is ok now from 4-5 days having pain in stomach right side just above 2 inch the portion of right leg from where angioplasty had done i have visit to hospital and told about this problem doc checked and give me lactose tablet every day in morning even after that having pain in my stomach presently it is bearable but i m affraid pl. suggest