A Pilot, Exploratory, Non-Randomized Study of PET/CT With the Investigational Agent [18F] Fluciclatide to Correlate With Response to Anti-Cancer Therapy

\[18F\] Fluciclatide given by vein before PET/CT scan.

PET/CT scan performed at treatment baseline visit, and about 1 week before first cycle of chemotherapy. Then, a PET/CT scan performed at end of first cycle of chemotherapy.

Phone call to participants by study staff about 24 hours after each PET/CT is performed.