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Table 1 Patients’ clinical characteristics

From: Anatomic change over the course of treatment for non–small cell lung cancer patients and its impact on intensity-modulated radiation therapy and passive-scattering proton therapy deliveries

Characteristic

All (n = 32)

PSPT (n = 16)

IMRT (n = 16)

ART status, no.

 With ART

16

8

8

 No ART

16

8

8

4DCT sets per patient, median (range)

7 (2–7)

7 (7–7)

6.5 (2–7)

Sex, no.

 Male

19

11

8

 Female

13

5

8

Age, median (range), years

64 (43–78)

64 (43–76)

62 (47–78)

Disease stage, no.

 IV

5

1

4

 IIIB

21

12

9

 IIIA

5

2

3

 IIA

1

1

0

Target volume, median (range), cm3

 GTV

221.9 (12.2–686.6)

127.1 (22.7–673.7)

280.9 (12.2–686.6)

 CTV

446.3 (120.9–1329.3)

398.7 (131.7–1329.3)

558.2 (120.9–1245.7)

  1. IMRT intensity-modulated (photon) radiation therapy, PSPT passive-scattering proton therapy, GTV gross tumor volume, CTV clinical target volume, ART adaptive radiotherapy