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Table 3 External beam radiotherapy (EBRT) treatment.

From: Determining the role of external beam radiotherapy in unresectable intrahepatic cholangiocarcinoma: a retrospective analysis of 84 patients

Radiotherapy characteristics n(%)
Radiation dose (Gy)  
   30-48 5 (14.3%)
   50 21(60.0%)
   52-60 9(25.7%)
Irradiation Site  
   Primary tumor only 20 (57.1%)
   Primary tumor and LN metastases 15 (42.9%)
PTV volumes* (cm3)  
   Minimum. 58.76
   Maximum. 1087.65
   Mean ± SD 382.29 ± 323.92
  1. LN, lymph node; PTV, planning target volume; SD, standard error.
  2. *The data of PTV volumes were only gathered from the patients who received three-dimensional conformal radiation therapy.