ESTRO 2023 - Abstract Book

S820

Monday 15 May 2023

ESTRO 2023

Figure 1 . The study flowchart and the radiomics workflow. A, The study flowchart, B, The radiomics workflow.

Over-optimistic correction (95%CI)

External validation set (95%CI)

Model Training set (95%CI)

0.819

0.804

0.786

CT

(0.745 0.892)

(0.728-0.880)

(0.641-0.931)

0.763

0.735

0.804

PET

(0.678 0.848)

(0.646-0.824)

(0.681-0.927)

0.835

0.828

0.819

CT + PET

(0.780 0.891)

(0.757-0.898)

(0.692-0.947)

Table 1 . Discrimination of radiomics signature.

Conclusion The proposed radiomics model can be used for the personalized prediction of distant failure and stratify the prognosis in early-stage NSCLC patients treated with SBRT.

Poster Discussion: Treatment planning: Photons

PD-0973 Clinical Implementation of VMAT for Total Marrow Irradiation using Raystation T.Y. Lim 1 , S. Wu 2 , P. Fang 2 , B. Dabaja 2 , J. Ohrt 1 , J. Gunther 2 , C. Pinnix 2 , T. Rougeau 2 , A. Sobremonte 1 , C. Wang 1 , T. Netherton 1 , R. Champlin 3 , Y. Reisner 3 , E. Shpall 3 , X. Wang 1 1 The University of Texas MD Anderson Cancer Center, Radiation Physics, Houston, USA; 2 The University of Texas MD Anderson Cancer Center, Radiation Oncology, Houston, USA; 3 The University of Texas MD Anderson Cancer Center, Stem Cell Transplantation and Cellular Therapy, Houston, USA

Purpose or Objective