Well, I can say I too have the occasional "sores in my nose" Depending on what your treatment has been, my nose sores perhaps stem from the side effects of Iressa that I'm currently on. One of the side effects from Iressa is acne. According to the doctors, the more effective it is for you, the more side effects you have. All my acne is connected to hair folicles. The blisters and sores on my neck were all connected to hair folicles. Now that treatment is behind me, I still get "attacks" on my face, back and nose.
Nothing worse than having pimples INSIDE your nose, but compared to other things, I view it as minor.
Jen