[Relationship among breast cancer and negative life event and cell immunity].

Objective: To investigate the relationship among breast cancer and negative life event and cell immunity.

Methods: A questionnaire survey using the Life Event by YANG Desen to investigate the family life problems, work problems, and social and other problems was conducted among 115 patients with breast cancer diagnosed by pathology and cytology and 115 gender, age, profession, education, and life habit-matched patients with benign breast diseases as controls. Fasting blood was drawn from all patients.