Whole-body 18F-FDG PET/CT scan in a patient with Liver Cancer taken from the PETWB-REP dataset. The following English report (translated from original Chinese) is taken verbatim from the public dataset and has not been modified or otherwise checked for accuracy (see the end for citation).

Findings

After fasting and intravenous injection of 18F-FDG, a whole-body PET/CT scan was performed.
The whole-body scan showed: A few punctate low-density shadows were seen in the deep bilateral cerebral regions; no abnormal density shadows were seen in the remaining brain parenchyma.
FDG uptake was normal.
The ventricles, sulci, fissures, and cisterns were widened; the ventricles were symmetrical, and there was no midline shift.
The eyeballs were symmetrical bilaterally, with no obvious abnormalities.
The paranasal sinuses showed no thickening of the mucosa, and the sinus walls were intact.
The nasopharyngeal wall showed no thickening, and FDG uptake was normal.
The pharyngeal recesses were symmetrical bilaterally, the Eustachian tube openings were not narrowed, the infratemporal and pterygopalatine fossae were structurally normal, and the bilateral parapharyngeal spaces were clear with no abnormal FDG uptake.
The palatine tonsils showed physiological uptake.
No abnormal density shadows were seen in the bilateral parotid and submandibular glands.
The laryngopharynx showed no abnormalities in morphology or structure.
Thyroid gland is normal in shape and size, with slightly uneven density; FDG uptake is normal.
No enlarged lymph nodes were seen in the bilateral deep cervical spaces or submandibular region.
Multiple solid nodules of varying sizes were seen in both lungs, the largest being located in the posterior segment of the right lower lobe, with a long diameter of approximately 1.0 cm, clear borders, and increased FDG metabolism (SUVmax = 3.5).
Multiple scattered patchy and linear lesions were also seen in both lungs; FDG metabolism was normal.
No pleural thickening was seen bilaterally, and there was no pleural effusion or pneumothorax bilaterally.
No significantly enlarged lymph nodes were seen in the bilateral hilar and mediastinal regions.
The cardiac silhouette was normal.
Some arterial walls showed calcification (including the coronary arteries).
No esophageal dilatation was seen, and no significant thickening or mass was seen in the esophagus; FDG uptake was normal.
Both breasts were normal; FDG metabolism was normal.
The liver has an irregular outline, disproportionate lobes, widened fissures, and wavy edges.
Multiple nodules and masses are observed within the liver, the largest being approximately 11.8 6.5 cm in the right lobe, with increased FDG metabolism (SUVmax = 9.4).
Another lesion has indistinct borders with the diaphragm.
Multiple cystic lesions are also seen within the liver, the largest being approximately 1.8 cm in long diameter, with absent FDG uptake.
No dilation of intrahepatic or extrahepatic bile ducts is observed.
Multiple tortuous blood vessels are seen in the splenic hilum and gastric fundus.
The gallbladder is normal in shape and size, with slightly thickened walls and normal local FDG uptake.
The pancreas is normal in shape, with no obvious abnormal density in the parenchyma, no widening of the main pancreatic duct, and no obvious abnormalities in FDG uptake.
The spleen is slightly enlarged, occupying approximately 9 costal units, with no abnormal FDG uptake.
Both kidneys are normal in shape and size, with no obvious abnormal density shadows seen in the parenchyma.
The renal pelvis, calyces, and ureters are not widened, and FDG uptake is not significantly abnormal.
Bilateral adrenal gland imaging shows no obvious abnormalities.
The stomach is poorly distended, with no obvious thickening of the stomach wall, and FDG uptake is not significantly abnormal.
The intestines are poorly distended, with increased FDG metabolism in the lower rectum (SUVmax = 5.3).
The uterus is of normal shape, with slightly decreased density in the left anterior wall and increased FDG metabolism (SUVmax = 3.6).
No abnormal FDG metabolism is seen in the bilateral adnexa.
The bladder is generally full, with no obvious positive stones.
No enlarged lymph nodes are seen in the abdominal cavity, pelvic cavity, or retroperitoneal region.
No obvious fluid accumulation is seen in the abdominal or pelvic cavities.
The spinal alignment is normal, with osteophyte formation at the margins of some vertebral bodies, and L4/5 and L5/S1 disc bulges.
There is pneumothorax in the L5/S1 disc.
The cortical structure of the left second anterior rib is discontinuous, with callus formation, increased FDG metabolism, and SUVmax = 3.6.
There is localized increased bone marrow density in the upper segment of the right humerus, with increased FDG metabolism and SUVmax = 4.3.

Impression

1. a. Multiple lesions in the liver, increased FDG metabolism, suggestive of malignancy, most likely primary liver cancer with intrahepatic metastasis. b. Multiple metastatic tumors in both lungs. Most likely a bone metastasis in the upper right humerus. c. Cirrhosis; slightly enlarged spleen; portal hypertension.

2. Scattered chronic inflammation and old lesions in both lungs. Calcification of some arterial walls (including coronary arteries).

3. Liver cysts; chronic cholecystitis.

4. Increased FDG metabolism in the lower rectum, suggestive of inflammatory or physiological uptake.

5. Highly likely uterine fibroid degeneration; ultrasound follow-up recommended.

6. Degenerative changes in the spine. L4/5 and L5/S1 intervertebral disc bulge. L5/S1 intervertebral disc pneumoconiosis and degeneration. Old fracture of the left second anterior rib.

7. A few ischemic lesions in the deep bilateral cerebral regions, indicative of age-related brain changes.

This case is from PETWB-REP, a curated dataset of whole-body 18F-FDG PET/CT scans and corresponding radiology reports from 490 patients with a broad spectrum of malignancies. The data were retrospectively collected from patients who underwent clinically indicated whole-body 18F-FDG PET/CT scans at the Shanghai Universal Medical Imaging Diagnostic Center between 2021 and 2024.

License: Creative Commons Attribution 4.0 International (CC BY 4.0)

Citation:
Xue, L., Feng, G., Wenbo, Z., Zhang, Y., Li, L., Wang, S., Peng, L., Peng, S., & Gao, X. (2026). PETWB-REP: A Multi-Cancer Whole-Body FDG PET/CT Dataset with Corresponding Radiology Reports [Data set]. Zenodo. https://doi.org/10.5281/zenodo.18670487