{
  "ptid_time": "027_S_5170_2015-08-27",
  "img_path": "/data/qiuhui/data/adni/images/027_S_5170/2015-08-27/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,050 mm³, 6.7% below the reference mean. With a Z-score of -0.66 (25.6th percentile), this represents normal volume . ",
  "text_data": "Age is 78.9 years. Gender is Male. Education: 20 years. MMSE: 30.0. MoCA: 26.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is slightly below the reference mean but still within the normal range (Z-score -0.66). Cognitive scores (MMSE 30, MoCA 26) are intact, and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:10:54.542019"
}