The study regarding screening tests for HIV complications associated with aging in HIV infected patients

INTERVENTION: Starting from December 2017 to the end of December 2020, we will conduct at least one malignant tumor screening tests, including FDG‐PET/CT and blood tumor marker test. CONDITION: HIV infection PRIMARY OUTCOME: Presence of undiagnosed malignant tumor in HIV positive patients with hemophilia INCLUSION CRITERIA: 1) HIV infected patients with hemophilia who are 35 years old or older or 2) HIV litigation plaintiffs resident in Tokai block and 3) Consent to participant has been obtained in a written form.