Serial Measurement of Global Longitudinal Strain Among Women With Breast Cancer Treated With Proton Radiation Therapy: A Prospective Trial for 70 Patients

Malek Hassan, Magid Awadalla, Timothy C. Tan, Marielle Scherrer‐Crosbie, Rula Bany Bakar, Zsófia D. Drobni, Azmaeen Zarif, Hannah Gilman, Supraja Sama, Sofia Nikolaidou, Lili Zhang, Daniel A. Zlotoff, Shea B. Hickey, Sagar A. Patel, James L. Januzzi, Florence K. Keane, Jonathon J. Passeri, Tomas G. Neilan, Shannon M. MacDonald, Rachel Jimenez