Update on Bioelectric Impedance Analysis for Upper-Quadrant Lymphedema From the Authors of "Diagnosis of Upper Quadrant Lymphedema Secondary to Cancer: Clinical Practice Guideline from the Oncology Section of the American Physical Therapy Association," Levenhagen K, Davies C, Perdomo M, Ryans K, Gilchrist L. Phys Ther. 2017;97:729-745. (Physical therapy, 2018)