{
  "ptid_time": "094_S_0711_2007-08-23",
  "img_path": "/data/qiuhui/data/adni/images/094_S_0711/2007-08-23/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 33,138 mm³, 14.0% below the reference mean. With a Z-score of -0.33 (36.9th percentile), this represents normal volume ; whole brain volume measures 971,977 mm³, 10.0% below the reference mean. With a Z-score of -1.29 (9.8th percentile), this represents mild atrophy. ",
  "text_data": "Age is 78.3 years. Gender is Male. Education: 18 years. MMSE: 30.0. Logical Memory: 22.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.29, 9.8th percentile) but normal ventricular volume and a perfect MMSE score of 30. No APOE4 risk alleles are present. The preserved cognitive performance despite mild atrophy suggests no significant impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (mild atrophy warrants monitoring, but current cognitive metrics are intact)",
  "timestamp": "2025-07-26T10:13:31.766641"
}