- Participants with a current or past history of malignant tumors (except for basal cell carcinoma, intraepidermal squamous cell carcinoma in the skin and uterine cervical squamous cell carcinoma, whose treatment was completed and no sign suggesting a recurrence has been observed, and squamous cell carcinoma in the skin whose treatment was completed and no sign suggesting a recurrence has been observed in the past 5 years)