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Increasing Tumor Volume Is Predictive Of Poor Overall And Progression-Free Survival: Secondary Analysis Of The Radiation Therapy Oncology Group 93-11 Phase I-Ii Radiation Dose-Escalation Study In Patients With Inoperable Non-Small-Cell Lung Cancer, Maria Werner-Wasik, R. Suzanne Swann, Phd, Jeffrey Bradley, Md, Mary Graham, Md, Bahman Emani, Md, James Purdy, Phd, William Sause, Md
Increasing Tumor Volume Is Predictive Of Poor Overall And Progression-Free Survival: Secondary Analysis Of The Radiation Therapy Oncology Group 93-11 Phase I-Ii Radiation Dose-Escalation Study In Patients With Inoperable Non-Small-Cell Lung Cancer, Maria Werner-Wasik, R. Suzanne Swann, Phd, Jeffrey Bradley, Md, Mary Graham, Md, Bahman Emani, Md, James Purdy, Phd, William Sause, Md
Bodine Journal
Purpose
Patients with non–small-cell lung cancer (NSCLC) in the Radiation Therapy Oncology Group (RTOG) 93-11 trial received radiation doses of 70.9, 77.4, 83.8, or 90.3 Gy. The locoregional control and survival rates were similar among the various dose levels.We investigated the effect of the gross tumor volume (GTV) on the outcome.
Methods and Materials
The GTV was defined as the sum of the volumes of the primary tumor and involved lymph nodes. The tumor response, median survival time (MST), and progression-free survival (PFS) were analyzed separately for smaller (≤45 cm3) vs. larger (>45 cm3) tumors.
Results
The distribution of …