Whole-body 18F-FDG PET/CT scan in a patient with Gastric 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: The brain morphology and structure were normal.
Increased roundish cerebrospinal fluid shadows were seen in the occipital region.
No abnormal density shadows were seen in the brain parenchyma, and FDG uptake was normal.
The ventricles, sulci, fissures, and cisterns were not widened, and local density and FDG uptake were normal.
There was no midline shift.
The bilateral eyeballs had normal morphology and outlines, clear retrobulbar structures, and symmetrical optic nerves.
FDG uptake was normal.
There was slight mucosal thickening in the right maxillary sinus, but the sinus wall was intact.
The nasopharyngeal wall was not thickened, and FDG uptake was normal.
The bilateral pharyngeal recesses were symmetrical, the Eustachian tube openings were not narrowed, the infratemporal fossa and pterygopalatine fossa structures were normal, and the bilateral parapharyngeal spaces were clear.
FDG uptake was normal.
The bilateral palatine tonsils were full, and FDG uptake was physiological.
The laryngopharynx had normal morphology and structure.
No abnormal contrast was observed in bilateral salivary glands.
The thyroid gland is normal in shape and size, with uniform density; FDG uptake was normal.
No significantly enlarged lymph nodes were observed in bilateral deep cervical spaces, submandibular regions, and submental regions; FDG uptake was normal.
A solid miliary nodule was observed in the lateral basal segment of the left lower lobe; FDG uptake was normal.
The trachea is midline, and the trachea and all lobar and segmental bronchi are patent.
Mild thickening of the right pleura is observed, but there is no pleural effusion or pneumothorax on either side.
No significantly enlarged lymph nodes were observed in bilateral hilar and mediastinal regions; FDG uptake was not significantly increased.
The cardiac silhouette is normal, but the cardiac chamber density is decreased.
The esophagus is not dilated, and the esophageal wall is not significantly thickened or swollen; FDG uptake was not increased.
Both breasts are full and dense, with no abnormal density shadows; FDG uptake was normal.
The liver appears normal in shape and size, with smooth borders and no widening of the hepatic fissure.
Punctate dense shadows are seen in the right lobe of the liver, and a cystic low-density lesion approximately 0.5 cm in long diameter is seen in the left lobe.
FDG uptake is normal.
The main portal vein is not significantly widened, and intrahepatic bile ducts are not dilated.
The gallbladder appears normal in shape and size, with no thickening of the gallbladder wall, no positive stones or obvious masses, and no abnormal FDG uptake.
The common bile duct is slightly widened.
The pancreas appears normal in shape, with no obvious abnormal density shadows in the parenchyma, no widening of the main pancreatic duct, and no abnormal FDG uptake.
The spleen appears normal in shape and size, with no abnormal density or FDG uptake.
Both kidneys appear normal in shape and size, with no obvious abnormal density shadows in the renal parenchyma, and no obvious abnormal FDG uptake.
No widening of the renal pelvis, calyces, or ureters was observed bilaterally, and no positive calculi were seen within them.
The bilateral adrenal glands showed no abnormalities in morphology or density, and FDG uptake was normal.
Post-gastric cancer treatment: The residual stomach was poorly filled; no thickening of the anastomotic wall was observed, and FDG uptake was normal.
A cystic-solid lesion measuring approximately 10.2*6.7*11.6cm was seen in the right adnexal region; the solid component showed increased FDG uptake (SUVmax=2.5), and the boundary between the lesion and surrounding organs was indistinct.
A suspicious cystic-solid lesion measuring approximately 3.4*2.0cm was seen in the left adnexal region; the solid component showed increased FDG uptake (SUVmax=1.6).
Multiple lymph nodes were observed in the retroperitoneum, the largest with a short diameter of approximately 0.7cm; FDG uptake was not significantly abnormal.
Fluid accumulation was observed in the abdominopelvic cavity.
The uterus was normal in shape, with no abnormal density shadows, and FDG uptake was normal.
The bladder was generally full, with no visible stones or masses.
The spinal alignment was normal, with some vertebral body margins showing osteophyte formation, and slight bulging of the L4/5 and L5/S1 intervertebral discs.

Impression

1. a. Post-gastric cancer treatment: No abnormal FDG metabolic foci were found in the surgical area. Please combine clinical and endoscopic examinations. b. Cystic-solid mass with increased FDG metabolism in the solid component of the right adnexa, suggestive of metastasis; suspected metastasis in the left adnexa. Please combine enhanced MRI for comprehensive analysis. c. Abdominal and pelvic effusion. Reactive hyperplasia of retroperitoneal lymph nodes is highly likely; follow-up is recommended.

2. Chronic inflammatory micronodules in the lateral basal segment of the left lower lobe. Mild thickening of the right pleura. Anemia.

3. Bilateral breast hyperplasia.

4. Liver calcification. Small cyst in the left lobe of the liver. Mild widening of the common bile duct; please follow up with ultrasound.

5. Partial vertebral osteophyte formation. Slight bulging of the L4/5 and L5/S1 intervertebral discs.

6. Cranial FDG imaging showed no obvious abnormalities, but there was a large occipital cisternaemagna or arachnoid cyst. There was also a small amount of chronic inflammation of the right maxillary sinus.

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