Table 2

The timeline of data collection and postoperative follow-up in the LobE-Specific lymph node diSsectiON trial

Timepoint	Preoperative	Day of surgery	Before discharge	Postoperative (follow-up)
Timepoint	Baseline			30 days	6, 12, 18, 24 months	3, 4, 5 years
Eligibility	√
H&P	√		√	√	√	√
Blood test	√		√	√	√	√
Chemistry profile	√		√	√	√	√
Tumour marker	√		√	√	√	√
CT/CECT of the chest	√				√
LDCT of the chest						√
Metastatic LNR		√
Postoperative complication incidence				√
Postoperative mortality				√
Duration of operation		√
Duration of anaesthesia		√
Volume of bleeding		√
Volume of drainage			√

CECT, contrast-enhanced CT; H&P, medical and physical examination; LDCT, low-dose CT; LNR, lymph node rate.