Forest plot and meta-analysis of lymph node yield.

<p>Forest plot and meta-analysis of lymph node yield.</p

Flow chart of studies identified, excluded and included.

<p>Flow chart of studies identified, excluded and included.</p

Forest plot and meta-analysis of positive surgical margin.

<p>Forest plot and meta-analysis of positive surgical margin.</p

Forest plot and meta-analysis of all complications.

<p>Forest plot and meta-analysis of all complications.</p

Analysis of perioperative complications according to Memorial classification.

<p>Analysis of perioperative complications according to Memorial classification.</p

Forest plot and meta-analysis of lymph node positive status.

<p>Forest plot and meta-analysis of lymph node positive status.</p

Forest plot and meta-analysis of operating time (mins).

<p>Forest plot and meta-analysis of operating time (mins).</p

Characteristics of included studies.

<p>Characteristics of included studies.</p

Forest plot and meta-analysis of major complications.

<p>Forest plot and meta-analysis of major complications.</p

Forest plot and meta-analysis of blood loss (10ml).

<p>Forest plot and meta-analysis of blood loss (10ml).</p