Time (Days) Between Scans and First Day of Treatment
| Imaging method | Median baseline | >4 wk (n) | >2 wk (n) | Median follow-up | Early CT (n) |
| CT | 15 (range, 4–56) | 5 (10%) | 26 (52%) | 77 (range, 20–85) | 14 (28%) |
| 18F-FDG PET/CT | 1 (range, 0–21) | 8 (range, 2–23) |
>4 and >2 wk = no. of patients with interval between baseline CT and first day of treatment above 4 (and 2) wk; early CT = no. of patients with a follow-up CT earlier than 9 wk.