{
  "ptid_time": "023_S_0031_2006-04-17",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0031/2006-04-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,333 mm³, 6.2% below the reference mean. With a Z-score of -0.14 (44.4th percentile), this represents normal volume ; whole brain volume measures 901,281 mm³, 7.5% below the reference mean. With a Z-score of -0.95 (17.2th percentile), this represents normal volume . ",
  "text_data": "Age is 78.2 years. Gender is Female. Education: 18 years. MMSE: 29.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 29 is well within the normal cognitive range (≥26). There is no indication of significant atrophy or cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T02:26:37.203354"
}