Comparison on Radiotherapy Permanent Skin Marking With Lancets and an Electric Marking Device

Inclusion Criteria: * Age at least 18 years old. * Patients referred to our department to receive external beam radiation therapy. * Eastern Cooperative Oncology Group performance status of 0 to 1. * Estimated fractionating schedule of at least 13 once-daily fractions. * Written informed consent. Exclusion Criteria: * Patients requiring either immobilisation thermoplastic masks (for head or head and shoulders) or vacuum cushion.