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The gross tumor volume of the primary tumor, as well as of the large and small lymph nodes on planning CT and six repeat CTs.
Notes: (A) Primary tumor, (B) and large (C) and small lymph nodes on planning CT and six repeat CTs. The red, purple, white, yellow, fuchsia, lime, and blue lines show the gross tumor volumes on planning CT, and the first, second, third, fourth, fifth, and sixth repeat CT, respectively.
Abbreviation: CT, computed tomography.
