Effective communication between dying cancer patients and their health care providers about prognosis and treatment options ensures informed decision making at the end of life. This study analyzed data from interviews with end-stage head and neck cancer patients and their health care providers about communication competence and approaches to communicating about end-of-life issues. Patients rated their oncologists as competent and comfortable discussing end-of-life issues, although few reported discussing specific aspects of end-of-life care. Oncologists viewed giving prognostic information as a process rather than a singular event, and preferred answering patients' questions as opposed to guiding the discussion. These data reveal subtle disconnects in communication suggesting that patients' and health care providers' information needs are not being met.