Intensity-modulated radiotherapy for cervical node squamous cell carcinoma metastases from unknown head-and-neck primary site: M. D. Anderson cancer center outcomes and patterns of failure

Steven J. Frank, David I. Rosenthal, Janjira Petsuksiri, K. Kian Ang, William H. Morrison, Randal S. Weber, Bonnie S. Glisson, K. S Clifford Chao, David L. Schwartz, Gregory M. Chronowski, Adel K. El-Naggar, Adam S. Garden