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Table 2 Patient and primary tumor characteristics

From: Radiosurgery and fractionated stereotactic body radiotherapy for patients with lung oligometastases

Characteristics

No. (%)

Age, years

 Median

66

 Range

26 - 84

Gender

 Female

20 (38.5)

 Male

32 (61.5)

KPS (%)

 Median

80

 Range

60 - 100

Primary tumor type

 CRC

17 (32.7)

 Sarcoma

8 (15.4)

 Melanoma

7 (13.5)

 HNC

6 (11.5)

 RCC

5 (9.6)

 NSCLC

3 (5.8)

 Others

6 (11.5)

T-classification at initial diagnosis

 T≤2

17 (32.7)

 T>2

30 (57.7)

 Unknown

5 (9.6)

N-classification at initial diagnosis

 N0

18 (34.6)

 N+

26 (50.0)

 Unknown

8 (15.4)

M-classification at initial diagnosis

 M0

36 (69.2)

 M1

12 (23.1)

 Unknown

4 (7.7)

Pre-SFRS/fSBRT systemic therapy

 Yes

46 (88.5)

 No

6 (11.5)

No. of LM treated with SFRS/fSBRT per patient

 Median

2

 Range

1 - 5

No. of affected organs per patient

 Median

1

 Range

1 - 4

  1. KPS Karnofsky performance status, CRC colorectal cancer, HNC head and neck cancer, RCC renal cell carcinoma, NSCLC non-small cell cancer, SFRS single fraction radiosurgery, fSBRT fractionated stereotactic body radiotherapy, LM lung metastasis