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Table 1 Mediastinal lymph node metastasis in right-sided NSCLC

From: Is lobe specific lymph node dissection adequate for cN0–1 non-small cell lung cancer?

VariablesRUL (n = 78)RML (n = 35)RLL (n = 100)P value
Upper zone74/78 (94.9%)20/35 (57.1%)55/100 (55.0%)< 0.001
2R34/78 (43.6%)13/35 (37.1%)14/100 (14.0%)< 0.001
312/29 (41.4%)5/14 (35.7%)15/43 (34.9%)0.848
4R63/78 (80.8%)18/35 (51.4%)43/100 (43.0%)< 0.001
Subcarinal zone
 717/78 (21.8%)29/35 (82.9%)86/100 (86.0%)< 0.001
 Lower zone2/78 (2.6%)1/35 (2.9%)13/100 (13.0%)0.017
 81/78 (1.3%)0/35 (0)9/100 (9.0%)0.019
 92/78 (2.6%)1/35 (2.9%)5/100 (5.0%)0.666
 Negative LSLNS4/78 (5.1%)/11/100 (11.0%)0.162
  1. NSCLC non-small cell lung cancer; RUL right upper lobe; RML right middle lobe; RLL right lower lobe; LSLNS lobe specific lymph node stations
  2. Values are the number of involved patients divided by the number of resected patients (%)