{
  "ptid_time": "003_S_1021_2007-06-27",
  "img_path": "/data/qiuhui/data/adni/images/003_S_1021/2007-06-27/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,666 mm³, 30.6% below the reference mean. With a Z-score of -0.83 (20.5th percentile), this represents normal volume ; whole brain volume measures 858,531 mm³, 7.5% below the reference mean. With a Z-score of -0.90 (18.4th percentile), this represents normal volume . ",
  "text_data": "Age is 87.4 years. Gender is Female. Education: 14 years. MMSE: 24.0. 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 24 is borderline but not definitively indicative of dementia. The absence of APOE4 reduces genetic risk, but age remains a significant factor.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence: Medium",
  "timestamp": "2025-07-25T20:42:49.139638"
}