In this Divi, the patient receives an explanation about the removal of a malignant tumor in the mouth or neck. The patient learns what a malignant tumor is and why surgery is necessary. The procedure is also explained, including what happens during the operation and when lymph nodes are removed. Attention is paid to preparation, admission, recovery, and possible consequences such as changes in speech, swallowing, or appearance. The patient is informed by means of animation, illustrations, and text.