Human sexuality is an important aspect of well-being that can be altered si
gnificantly by cancer and cancer treatment. Because cancer was not consider
ed Quality of life a chronic illness until recently, this important quality
of life issue usually is not addressed by nurses or other health care prof
essionals. It is essential that nurses have the appropriate knowledge, skil
l, and attitudes to address the oncology patient's concerns about sexuality
effectively. This article helps the nurse to become aware of the sexual ch
anges that can occur as a result of cancer, its treatment, or both, and to
recognize the importance of sexuality to patients. Using Annon's PLISSIT (p
ermission, limited information, specific suggestions, and intensive therapy
) model of sexual assessment, the nurse can learn how to assess a patient's
sexual concerns. The model also can help the nurse to learn about interven
tions that assist patients with these concerns, thus breaking the silence.