{
  "ptid_time": "052_S_1168_2007-06-20",
  "img_path": "/data/qiuhui/data/adni/images/052_S_1168/2007-06-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,859 mm³, 24.6% below the reference mean. With a Z-score of -0.66 (25.3th percentile), this represents normal volume ; whole brain volume measures 906,292 mm³, 2.4% below the reference mean. With a Z-score of -0.28 (38.9th percentile), this represents normal volume . ",
  "text_data": "Age is 81.7 years. Gender is Female. Education: 16 years. MMSE: 30.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The ventricular and whole brain volumes are within normal ranges, and the MMSE score of 30 indicates no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:43:50.272793"
}