{
  "ptid_time": "109_S_1183_2007-07-20",
  "img_path": "/data/qiuhui/data/adni/images/109_S_1183/2007-07-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 40,099 mm³, 14.7% below the reference mean. With a Z-score of -0.43 (33.5th percentile), this represents normal volume ; whole brain volume measures 972,221 mm³, 5.5% below the reference mean. With a Z-score of -0.72 (23.4th percentile), this represents normal volume . ",
  "text_data": "Age is 80.7 years. Gender is Male. Education: 16 years. MMSE: 27.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "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 for cognitive function. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:30:44.323647"
}