Fig. 1From: Uniportal and three-portal video-assisted thoracic surgery pulmonary lobectomy for early-stage lung cancer (UNIT trial): study protocol of a single-center randomized trialStudy process schedule (according to the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) guidelines). t0 day of surgery, t1 postoperative day (POD) 1, t2 POD 2, t3 POD 3, t4 POD 4, t5 POD 5, t6 POD 6, t7 POD 7, t8 POD 8, t15 POD 15, t30 POD 30, u-VATS uniportal video-assisted thoracic surgery lobectomy, t-VATS three-portal video-assisted thoracic surgery lobectomy, NRS numeric rating scale, PFTs pulmonary function tests (spirometry), PAL persistent air leaksBack to article page