I have had a total of 4 ct scans. 1 for my stomach, 3 head. 2 of the head was in a row, had to do a regular one, and then another where they gave me contrast via iv to better see my vessels. is this alot of radiation? i am concerned of cancer b/c it?

Yes, plenty of radiation but benefits outweigh the risks if test is absolutely indicated. I have had patients who received up to 10-12 CT scan of the head within one week when they had intracranial bleeding which required surgery or 5-7 CT of the abdomen in a week before and after an abdominal surgery for pancreatitis with complications.

The radiation is minimal and should cause you no problems. Good Luck