
SAN FRANCISCO-More than one-third of cancer outpatients report two or more symptoms such as pain, fatigue, nausea, depression, and sleep disturbances. Because severity of individual symptoms and risk of clinical depression both worsen as the number of symptoms increases, these symptom clusters or groupings have important clinical implications, according to Marylin J. Dodd, RN, PhD, professor of nursing at the University of California at San Francisco.

