ive had 2 doses of certuxamab so far,rash is starting to appear on my chin,headache and stomache cramps,but dont feel to bad,started radiation again today as well,i was meant to be having 35 rads but im only having 21,dont know why as dont see my oncologist til friday??. they cut the face out of my mask which made it alot easier,very quick 7 beams only 20 seconds each