1. Supplemental Digital Content Figure 1A A Academic/Research Program Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy1778616 (35%)1162 (65%)NA (99.6, NA)73.6% (71.4%, 75.6%) Segmental Resection13071 (55%)59 (45%)74.6 (58.9, 87.4)58.8% (49.7%, 66.9%) Wedge Resection718393 (55%)325 (45%)71.2 (64, 77)57.4% (53.6%, 61.0%)

2. Supplemental Digital Content Figure 1B B Comprehensive Community Cancer Program Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy26391055 (40%)1584 (60%)97.1 (92, 104)69.2% (67.3%, 71.0%) Segmental Resection12959 (46%)70 (54%)85.7 (61.3, NA)60.1% (50.7%, 68.3%) Wedge Resection987559 (57%)428 (43%)66 (59.1, 70)52.6% (49.4%, 55.8%)

3. Supplemental Digital Content Figure 1C C Non-Comprehensive Community Cancer Program Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy440176 (40%)264 (60%)81.8 (73.8, NA)64.2% (59.1%, 68.8%) Segmental Resection2717 (63%)10 (37%)64.6 (46.3, NA)61.3% (40.0%, 77.0%) Wedge Resection18692 (49%)94 (51%)66.9 (53.8, 75.2)54.6% (46.3%, 62.1%)

4. Supplemental Digital Content Figure 2A A Tumor ≤ 1 cm Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy722219 (30%)503 (70%)NA (104.6, NA)76.7% (73.3%, 79.7%) Segmental Resection5121 (41%)30 (59%)94.9 (58.9, NA)64.1% (48.7%, 75.9%) Wedge Resection439208 (47%)231 (53%)82.9 (75.4, 89.4)61.2% (56.3%, 65.8%)

5. Supplemental Digital Content Figure 2B B Tumor 1 – 2 cm Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy41351628 (39%)2507 (61%)96.9 (93.2, 99.7)69.3% (67.8%, 70.7%) Segmental Resection235126 (54%)109 (46%)73.5 (64.6, 79.9)58.7% (52.0%, 64.8%) Wedge Resection1452836 (58%)616 (42%)64.4 (59.9, 68.3)52.7% (50.0%, 55.3%)

6. Supplemental Digital Content Figure 3A A Regional Lymph Nodes Examined ≤ 7 Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy28811126 (39%)1755 (61%)98.5 (92.2, 108.2)69.1% (67.3%, 70.8%) Segmental Resection246125 (51%)121 (49%)74 (65.7, 89.3)60.3% (53.8%, 66.3%) Wedge Resection1739974 (56%)765 (44%)66.3 (62.2, 70.2)53.8% (51.3%, 56.2%)

7. Supplemental Digital Content Figure 3B B Regional Lymph Nodes Examined > 7 Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy1976721 (36%)1255 (64%)100.6 (97.1, 110)72.3% (70.2%, 74.3%) Segmental Resection4022 (55%)18 (45%)69.5 (49.8, NA)54.8% (37.5%, 69.1%) Wedge Resection15270 (46%)82 (54%)79.6 (69.1, 97.7)64.4% (55.9%, 71.8%)

8. Supplemental Digital Content Figure 4A A Negative Surgical Margins Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy47831810 (38%)2973 (62%)99.7 (96.9, 105.3)70.5% (69.1%, 71.8%) Segmental Resection280144 (51%)136 (49%)74 (65.7, 87.4)59.6% (53.4%, 65.2%) Wedge Resection1797983 (55%)814 (45%)68.8 (64.8, 72.2)55.2% (52.8%, 57.6%)

9. Supplemental Digital Content Figure 4B B Positive Surgical Margins Extent of Lung Resection No. of SubjectEventCensored Median Survival (95% CI)60 mo Survival Lobectomy7437 (50%) 85.4 (62.7, 100.8)66.1% (53.8%, 75.9%) Segmental Resection63 (50%) 65.1 (18, NA)60.0% (12.6%, 88.2%) Wedge Resection9461 (65%)33 (35%)43.1 (31.5, 63.9)43.7% (33.3%, 53.6%)