{
  "ptid_time": "036_S_0576_2008-07-16",
  "img_path": "/data/qiuhui/data/adni/images/036_S_0576/2008-07-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 33,541 mm³, 12.9% below the reference mean. With a Z-score of -0.31 (37.8th percentile), this represents normal volume ; whole brain volume measures 1,109,880 mm³, 2.8% above the reference mean. With a Z-score of 0.37 (64.3th percentile), this represents normal volume . ",
  "text_data": "Age is 79.5 years. Gender is Male. Education: 14 years. MMSE: 29.0. Logical Memory: 14.0. 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 29 is well within the normal cognitive range (≥26). The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:01:22.863392"
}