The prevalence of cancer is rising, on the one hand because of increasing cancer incidence as a consequence of lifestyle changes, aging and screening and on the other hand because of increasing survival rates thanks to increasingly successful therapeutic possibilities. Since virtually all caregivers are confronted with cancer patients or survivors, a basic knowledge of oncology is required. In this article we present a brief update on the current situation in the field of oncology. We pay attention to diagnostics, treatment and palliative care for patients with cancer.