Table 1.

Clinicopathologic characteristics of 95 IHC-verified resected SQCCs

CharacteristicN (%) or median (range)
Age, y68 (37–88)
Gender
 Male62 (65)
 Female33 (35)
Smoking
 Never2 (2)
 Current or former93 (98)
Smoking pack-years58 (0–132)
Tumor size2.5 (0.7–11.5)
Tumor differentiation grade
 Well or moderate44 (46)
 Poor51 (54)
Stage (pathologic)a
 IA48 (51)
 IB9 (10)
 IIA16 (17)
 IIB10 (11)
 IIIA10 (11)
 IIIB/IV2 (2)
Surgical procedure
 Wedge31 (33)
 Segmentectomy2 (2)
 Lobectomy49 (52)
 Pneumonectomy9 (10)
En block resection of lung and chest wall1 (1)
 Bronchial tumor resection3 (3)
Immunohistochemistryb
 ΔNp63+/TTF-195 (100)
  • aAmerican Joint Commission on Cancer Staging Manual, 7th Edition.

  • bSee Supplementary Table S2 for details.