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Table 1 The characteristics of patients with small-sized clinical stage I NSCLC (n = 352)

From: The value of frozen section diagnosis of tumor spread through air spaces in small-sized (≤ 2 cm) non-small cell lung cancer

Gender, n (%)

Male

161 (45.7)

Female

191 (54.3)

Age (years), mean ± SD

 

60.97 ± 8.10

Tdmax (cm), mean ± SD

 

1.52 ± 0.38

CTR, mean ± SD

 

0.57 ± 0.36

Scope of surgery, n (%)

Lobectomy

307 (87.2)

Sublobectomy

45 (12.8)

Pathological type, n (%)

Adenocarcinoma

318 (90.3)

Squamous carcinoma

28 (8.0)

Other

6 (1.7)

STAS on paraffin sections, n (%)

Positive

124 (35.2)

Negative

228 (64.8)

STAS on frozen sections, n (%)

Positive

207 (58.8)

Negative

87 (24.7)

Unable to assess

58 (16.5)

  1. NSCLC Non-small cell lung cancer, SD Standard deviation, Tdmax Maximum tumour diameter, CTR Consolidation-to-tumour ratio, STAS Tumor spread through air spaces
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World Journal of Surgical Oncology

ISSN: 1477-7819

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