{
  "ptid_time": "014_S_0558_2008-07-08",
  "img_path": "/data/qiuhui/data/adni/images/014_S_0558/2008-07-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 51,418 mm³, 9.4% above the reference mean. With a Z-score of 0.27 (60.7th percentile), this represents normal volume ; whole brain volume measures 1,052,260 mm³, 2.2% above the reference mean. With a Z-score of 0.29 (61.6th percentile), this represents normal volume . ",
  "text_data": "Age is 81.8 years. Gender is Male. Education: 19 years. MMSE: 30.0. Logical Memory: 13.0. 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 30/30 indicates no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T23:44:29.617953"
}