{
  "ptid_time": "136_S_0086_2007-05-01",
  "img_path": "/data/qiuhui/data/adni/images/136_S_0086/2007-05-01/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 39,729 mm³, 7.5% above the reference mean. With a Z-score of 0.20 (58.0th percentile), this represents normal volume ; whole brain volume measures 928,095 mm³, 0.0% below the reference mean. With a Z-score of -0.00 (50.0th percentile), this represents normal volume . ",
  "text_data": "Age is 81.3 years. Gender is Female. Education: 18 years. MMSE: 30.0. Logical Memory: 22.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 1156.00 pg/mL (normal ); Total tau: 273.90 pg/mL (normal ); Phosphorylated tau: 16.93 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and biomarkers (Aβ, T-tau, P-tau) are normal. The MMSE score of 30 is optimal, and there is no APOE4 risk allele.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T15:54:46.511317"
}