53 Outcomes in Surgically Resected T3N0 NSCLC in the Dutch population Table 2. Frequency distribution of the clinicopathological characteristics for the Four Major pT3N0 Subtypes (continued) pT3N0 >7 cm 2nd/multiple nodule(s) Parietal pleural invasion Mixed Total p-value Characteristic n % n % n % n % n (%) Histology <0.001 AdC 112 44.8 107 62.2 74 48.4 28 26.7 321 (47.0) SqCC 94 37.6 43 25.0 65 42.5 55 52.4 257 (37.6) NOS 16 6.4 7 4.1 5 3.3 10 9.5 38 (5.6) other 28 11.2 15 8.7 9 5.9 12 11.4 64 (9.3) Resection 0.17 Right sided 142 56.8 106 61.3 93 60.4 51 48.6 392 Left sided 108 43.2 67 38.7 61 39.6 54 51.4 290 unknown 1 0 0 0 1 Lobectomy 176 157 137 81 551 <0.001 Right upper lobe 38 21.6 67 42.7 67 48.9 28 34.6 200 Right lower lobe 50 28.4 20 12.7 11 8.0 10 12.3 91 Right middle lobe 1 0.6 6 3.8 2 1,5 0 0.0 9 Right, not otherwise specified 2 1.1 2 1.3 2 1.5 1 1.2 7 Left upper lobe 31 17.6 40 25.5 41 29.9 26 32.1 138 Left lower lobe 51 29.0 22 14.0 12 8.8 14 17.3 99 Left, not otherwise specified 2 1.1 0 0.0 2 1.5 2 2.5 6 Unknown 1 0.6 0 0.0 0 0.0 0 0.0 1 Bilobectomy 31 9 8 4 52 Right upper and middle lobe 15 48.4 6 66.7 4 50.0 4 100.0 29 Right lower and middle lobe 15 48.4 3 33.3 4 50.0 0 0.0 22 unknown 1 3.2 0 0.0 0 0.0 0 0.0 1 Pneumonectomy 44 17.8 7 9 20 80 Right 20 45.5 2 28.6 3 33.3 8 40.0 33 Left 24 54.5 5 71.4 6 66.7 12 60.0 47 Residue <0.001 Rx 91 36.3 96 55.5 65 42.2 42 40.0 R0 150 59.8 70 40.5 52 33.8 40 38.1 R1 10 4.0 7 4.0 37 24.0 23 21.9 4
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