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. 2017 Mar 17;8(18):30190–30198. doi: 10.18632/oncotarget.16318

Table 4. Comparison of features A-E between different nodal staging (TNM stage N = 419).

N0(n = 226) N1(n = 114) N2(n = 49) N3(n = 30) P value
Feature E 0.027
Calcifications ≤ 20/cm2 in density 169 (58.5) 71 (24.6) 28 (9.7) 21 (7.3)
Calcifications > 20/cm2 in density 57 (43.8) 43 (33.1) 21 (16.2) 9 (6.9)

Note – Numbers in parentheses are percentages.