[18F] Flourothymidine (FLT) PET/CT Imaging for Gynecologic Cancers

Inclusion Criteria: * Participants will be 18 years of age or older * History of gynecologic cancer. * Recommended to undergo IMRT or PBT of the pelvis with concurrent chemotherapy * Female participants of child-bearing potential must have a negative urine or serum pregnancy test at the time of the screening visit. * Participants must be informed of the investigational nature of this study and provide written informed consent in accordance with institutional and federal guidelines prior to study specific procedures. * Participants must be willing and able to comply with scheduled visits and imaging procedures in the opinion of the investigator or treating physician. Exclusion Criteria * Females who are pregnant or breast feeding at the time of screening will not be eligible for this study. * Inability to tolerate imaging procedures in the opinion of the investigator or treating physician * Serious or unstable medical or psychological conditions that, in the opinion of the investigator would compromise the subjects safety or successful participation in the study. * Unwilling or unable to provide informed consent