{
  "ptid_time": "029_S_4279_2012-07-16",
  "img_path": "/data/qiuhui/data/adni/images/029_S_4279/2012-07-16/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,321 mm³, 5.1% above the reference mean. With a Z-score of 0.44 (66.9th percentile), this represents normal volume ; whole brain volume measures 986,329 mm³, 4.2% below the reference mean. With a Z-score of -0.55 (29.3th percentile), this represents normal volume . ",
  "text_data": "Age is 84.2 years. Gender is Male. Education: 16 years. MMSE: 29.0. MoCA: 25.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal and whole brain volumes are within normal ranges, and cognitive scores (MMSE 29, MoCA 25) are strong for age, with no APOE4 risk allele.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:26:54.199829"
}