Description of 4 Patients with TNM Upstaging on dPET
| Patient no. | Diagnosis | Scanning group | TNM stage on cPET | TNM stage on dPET | Additional information |
| 1 | Breast cancer | dPET-second | T4N0M0 | T4N3M0 | Suspected internal mammary lymph node metastasis; confirmed by pathology results |
| 2 | Lung cancer | dPET-first | T4N3M1a | T4N3M1b | Suspected right adrenal gland metastasis on dPET; no validation information available |
| 3 | Lung cancer | dPET-second | T1aN2M0 | T1aN3M0 | Suspected lymph node metastasis near thyroid gland; further SUV rise on follow-up 18F-FDG PET scans after 6 and 12 months |
| 4 | Esophageal cancer | dPET-second | T1N0M0 | T1N0M1 | Suspected 18F-FDG–positive lesion in right pelvis region; no validation information available |