Figure 3.
Kaplan‐Meier survival curves for (a) DFS in subgroup analysis with solid‐dominant stage I NSCLC <3 cm who underwent lobectomy or sublobar resection I. Lobectomy,
II. Surgeons’ preference sublobar resection, P = 0.721 and (b) DFS of patients subgroup who underwent extent of resection combined with lymphadenectomy.
I. Lobectomy + LN (+),
II. Lobectomy + LN (−),
III. Surgeons’ preference sublobar resection + LN (+),
IV. Surgeons’ preference sublobar resection + LN (−), P = 0.885.