In patients with resectable esophageal or gastroesophageal junction cancer, positron-emission tomography (PET) imaging was used to assess response to induction chemotherapy. PET nonresponders were identified after the first few cycles and were switched to an alternate regimen. This strategy greatly improved the patients’ chances of achieving a pathologic complete response, researchers reported at the 2017 Gastrointestinal Cancers Symposium.1
http://www.ascopost.com/issues/march-25-2017/early-pet-imaging-may-guide-treatment-decisions-in-esophageal-cancer/
Early PET Imaging May Guide Treatment Decisions in Esophageal Cancer