{
  "ptid_time": "130_S_0886_2008-10-06",
  "img_path": "/data/qiuhui/data/adni/images/130_S_0886/2008-10-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,492 mm³, 30.6% below the reference mean. With a Z-score of -0.70 (24.2th percentile), this represents normal volume ; whole brain volume measures 955,173 mm³, 2.0% below the reference mean. With a Z-score of -0.25 (40.1th percentile), this represents normal volume . ",
  "text_data": "Age is 73.3 years. Gender is Female. Education: 15 years. MMSE: 30.0. Logical Memory: 6.0. 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 30.0 indicates no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T14:32:06.450394"
}