[Follow-up of potentially cured cancer patients. Object, method and duration?]

The follow-up of potentially cured cancer patients is discussed. After outlining the goals, requirements and problems of posttreatment follow-up, practical guidelines for gastrointestinal, breast and lung cancer, the malignant lymphomas and testicular cancer are suggested for the benefit of the medical practitioner, who often directs the follow-up care of a patient after completion of primary treatment for cancer.