Cancer-related fatigue (CRF) is a subjective sensation that is
disproportional to the widely recognised feeling of being tired.
There is no consensus as to what CRF is and its use in a clinical
setting is often colloquial rather than specific.1 However,
it is accepted as a separate entity from the tiredness experienced
by the general population. It is characterised by being
pervasive and not relieved by rest.2 CRF can occur at the time
of diagnosis and becomes increasingly prevalent with
advancing disease.3,4 It is a side-effect of surgery, chemotherapy
and radiotherapy.5–7 CRF can also affect disease-free
survivors