Men i den undersøgelse, der registrerede symptomlindringen ved fremskreden hoved- hals- kræft, fik 28 (22%) af de 128 vurderede patienter en væsentlig bedring i de mest generende symptomer.
However, in the study looking at improving symptoms of advanced head and neck cancer, 28 (22%) of the 128 patients assessed had a significant improvement in their most troubling symptom.