18F-FSPG PET/CT as a Non-Invasive Imaging Biomarker for Treatment Response to Chemoradiation in Esophageal Cancer

Inclusion Criteria

• •\* ≥ 18 years of age
• •* Patients with locally advanced esophageal cancer
• •* Patients with untreated documented carcinoma of the esophagus that is \> 2 cm who are going to receive systemic therapy concurrently with radiation as primary therapy
• •* Ability to provide written informed consent in accordance with institutional policies
• •* Female subjects of childbearing potential must have a negative serum or urine pregnancy test within 1 week of the proposed investigational PET/CT scan(s) prior to injection of the investigational radiopharmaceutical