{
  "ptid_time": "062_S_1099_2007-12-11",
  "img_path": "/data/qiuhui/data/adni/images/062_S_1099/2007-12-11/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,908 mm³, 27.2% below the reference mean. With a Z-score of -0.73 (23.1th percentile), this represents normal volume ; whole brain volume measures 876,865 mm³, 5.5% below the reference mean. With a Z-score of -0.66 (25.3th percentile), this represents normal volume . ",
  "text_data": "Age is 80.2 years. Gender is Female. Education: 15 years. MMSE: 27.0. Logical Memory: 6.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 27 is within the normal range (≥26). The presence of one APOE4 allele increases Alzheimer's risk but does not confirm impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to normal imaging and MMSE, but APOE4 status warrants monitoring for future decline)",
  "timestamp": "2025-07-26T08:19:09.095280"
}