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Table 1 Patients’ characteristics

From: DVH- and NTCP-based dosimetric comparison of different longitudinal margins for VMAT-IMRT of esophageal cancer

Patients’ characteristics

Number of cases (%)

Median (IQR)

Tumor extension in cm

 

6.0 (5.0–6.5)

PET-positive lymph nodes

n = 8 (80%)

 

Volume of GTV in cm3

 

20.3 (13.0–28.0)

Volume of PTV4 in cm3

 

387.2 (323.9–523.9)

Volume of PTV3 in cm3

 

349.3 (291.3–472.5)

Volume of PTV2 in cm3

 

310.5 (252.7–419.3)

  1. GTV (Gross tumor volume), PTV (Planning target volume), IQR (interquartile range)