Internal target volume determined with expansion margins beyond composite gross tumor volume in three-dimensional conformal radiotherapy for lung cancer.

@article{Shih2004InternalTV,
  title={Internal target volume determined with expansion margins beyond composite gross tumor volume in three-dimensional conformal radiotherapy for lung cancer.},
  author={Helen A. Shih and Steve B. Jiang and Khaled M Aljarrah and Karen P Doppke and Noah Chan Choi},
  journal={International journal of radiation oncology, biology, physics},
  year={2004},
  volume={60 2},
  pages={613-22}
}
PURPOSE Gross tumor volume (GTV) of lung cancer defined by fast helical CT scan represents an image of moving tumor captured at a point in active respiratory movement. However, the method for defining internal margins beyond GTV to account for its expected physiologic movement and all variations in size and shape during the administration of radiation has not been established. The goal of this study was to determine the internal margins with expansion margins beyond individual GTVs defined with… CONTINUE READING

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