Table 1. Patient baseline characteristics and results of ICGF.
| Variable | Value |
|---|---|
| Age, yrs | 65 [30–87] |
| Sex (male/female) | 10/10 |
| Disease | |
| Primary lung cancer | 15 |
| Metastatic lung tumor | 5 |
| Smoking history | |
| Current/never | 9/11 |
| Pulmonary function | |
| FEV1, L | 2.25 (1.28–4.02) |
| COPD (FEV1% <70) | 5 |
| Tumor location | |
| Right S2/S3b/S6/S8/S8+9/S8a/7+10+9a | 2/1/1/4/1/1/1 |
| Left upper division/upper division +S6/S6 | 6/1/2 |
| Tumor size, mm | 16 [9–32] |
| Operative duration, min | 186 [90–319] |
| Intraoperative blood loss, mL | 30 [0–107] |
| Intraoperative adverse events | 0 |
| Conversion to thoracotomy | 0 |
| Postoperative outcome (Clavien-Dindo classification) | |
| Grade 0 | 19 |
| Grade I | 1a |
| Chest drainage, days | 1 [1–3] |
| Hospitalization, days | 5 [5–8] |
| ICGF | |
| Valid temporary/Invalid demarcation | 19/1 |
| First appearance of ICGF, s | 20 [10–100] |
| Duration of ICGF, s | 180 [90–300] |
| Duration of effective contrast before spread into TSs, s | 70 [30–116] |
| Surgical margin | |
| ≥ Tumor size | 18 |
| < Tumor size | 2 |
Data expressed as n (range) unless otherwise indicated. a, slight renal dysfunction. COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 s; ICGF, indocyanine green fluorescence.