Tumor and target delineation: Current research and future challenges

Mary Austin-Seymour, George T.Y. Chen, Julian Rosenman, Jeff Michalski, Karen Lindsley, Michael Goitein

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


In the past decase, significant progress has been made in the imaging of tumors, three dimensional (3D) treatment planning, and radiation treatment delivery. At this time one of the greatest challenges for conformal radiation therapy is the accurate delineation of tumor and target volumes. The physician encounters many uncertainties in the process of defining both tumor and target. The sources of these uncertainties are discussed, as well as the issues requiring study to reduce these uncertainties.

Original languageEnglish
Pages (from-to)1041-1052
Number of pages12
JournalInternational journal of radiation oncology, biology, physics
Issue number5
StatePublished - Dec 1 1995


  • CTV
  • Conformal radiotherapy
  • GTV
  • PTV
  • Target
  • Tumor


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