Dana-Farber Cancer Institute (IMAGE) Dana-Farber Cancer Institute Caption New research suggests that some patients with head and neck cancers can benefit by continuing treatment with an immunotherapy drug after their tumors show signs of enlargement according to investigators at Dana-Farber Cancer Institute. Credit DFCI Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.