In patients with pharyngeal cancer, intensity-modulated proton therapy (IMPT) with a model-based approach was associated with a lower rate of acute toxicities, especially dysphagia, compared with those receiving intensity-modulated X-ray therapy (IMXT), according to results of a retrospective analysis now published in the Journal of Radiation Research. "Radiation therapy is the mainstay treatment for head and neck cancer," write the investigators, led by Koichi Yasuda, MD, PhD, Assistant Profess...