Epidermal Growth Factor Receptor Mutations: Effect on Volume Doubling Time of Non– Small-Cell Lung Cancer Patients Ryota Nakamura, MD, Yoshihisa Inage, MD, PhD, Rika Tobita, MD, Kazuko Mori, MD, PhD, Takeshi Numata, MD, Hidetoshi Yanai, MD, Takeo Endo, MD, PhD, Haruo Ohtani, MD, PhD, Hiroaki Satoh, MD, PhD, Kenji Yuzawa, MD, PhD, Masanori Koizumi, MD, PhD, Hamaichi Ueki, MD, PhD Journal of Thoracic Oncology Volume 9, Issue 9, Pages 1340-1344 (September 2014) DOI: 10.1097/JTO.0000000000000022 Copyright © 2014 International Association for the Study of Lung Cancer Terms and Conditions
FIGURE 1 Modified Schwartz equation of tumor volume. a = maximum tumor diameter; b = largest perpendicular tumor diameter; t = interval between 2 CT scans; V 0 = tumor volume at the initial CT scan; V t = tumor volume at preoperative CT scan. CT, computed tomography; VDT, volume doubling time. Journal of Thoracic Oncology 2014 9, 1340-1344DOI: (10.1097/JTO.0000000000000022) Copyright © 2014 International Association for the Study of Lung Cancer Terms and Conditions