Depression and anxiety in patients with cancer.
### What you need to know

Advances in cancer treatments mean that half of people now diagnosed with cancer can expect to survive for at least 10 years,1 defining many cancers as long term conditions. Psychiatric illnesses such as depression and anxiety are common, but often neglected, complications of cancer, influencing quality of life, adherence to treatment, cancer survival, and treatment costs.23 Depression and anxiety affect up to 20% and 10% of patients with cancer respectively, regardless of the point in the cancer trajectory, and whether in curative or palliative treatment.4 Geographical variations in the diagnosis and treatment of depression or anxiety in cancer settings implies under-recognition of these problems.5 Depression is associated with poor adherence to cancer treatment and poor cancer survival,6 and the increased risk of suicide in all patients with cancer7 is a concern.

This clinical update outlines the prevalence, aetiology, and management of depression and anxiety in patients with cancer to raise awareness among doctors of the need to address the psychiatric consequences of cancer.

### Sources and selection criteria

We conducted tumour-specific and treatment-specific PubMed searches, and used NICE …