Study entry examinations:
* blood cell count
* liver enzymes
* ventilatory function test
* pregnancy test (premenopausal women)
* CT of the thorax
* CT of the brain
* Ultrasound of the liver
* Bone scan
* FDG PET scan (after inclusion)
Follow-up examinations (2 months, than every 3 months):
* patients history and examination
* CT scan of the thorax
* ventilatory functions test
* FDG PET scan (at least at 6 months)
* bone scan (yearly)
* ultrasound of the liver (every 6 months)
Cetuximab administration:
* 450 mg / m\^2 body surface on week 1
* 250 mg /m\^2 body surface weekly, week 2 -21
Radiation therapy:
* intensity modulated radiation therapy of primary tumor and mediastinum (2 Gy single dose, total dose 50 Gy; 5 fractions per week) with boost to the PET positive sites (2 Gy single doses up to 66 Gy). Radiation therapy during weeks 2-8.
Amendment 1/07: 3D conformal RT possible, but not if FeV1 \< 1.5L of \< 50%
