A cancer specific middle-range theory of symptom self-care management: A theory synthesis.

The new theory offers a comprehensive conceptualization of symptom self-care management behaviours in adults with cancer. It clarifies potential determinants and effects of cancer-related symptoms and puts forth factors that may influence patient adherence to symptom self-care management behaviours. This new theory may influence the development of symptom management interventions across the phases of the cancer self-care continuum. Research to test the new theory is warranted.