2. Female patient is pregnant or nursing; exclude the possibility of pregnancy by one of the following: 1) Confirming in medical history that the patient is postmenopausal defined as 12 consecutive months of amenorrhea, or surgically sterile, 2) Confirming the patient is using one of the following methods of birth control for a minimum of one month prior to entry into this study: Intrauterine device (IUD), oral contraceptives, Depo-Provera, or Norplant, 3) Confirming a negative urine dipstick test taken the morning of receiving the investigational agent [18F]fluciclatide.