<JSON_RECORD>{'caption': 'The image is a non-contrast computed tomography (CT) scan of the brain, showing the cerebral hemispheres, ventricles, and subarachnoid spaces without any medical devices visible.', 'region of interest': 'The region of interest, located centrally and in the lower-middle area of the brain, occupies approximately 1.6% of the image area and exhibits an unusual appearance indicative of a disease, characterized by a difference in density compared to the surrounding brain tissue.', 'observation': "This region's relative position to other brain structures suggests it could be related to the surrounding tissue either as a cause of a disease or as an area jointly affected by a disease, potentially due to its proximity to vital brain structures.", 'notes': '', 'bloc': '<loc_213><loc_204><loc_253><loc_344>', 'bbox': '[212.7360076904297, 203.52000427246094, 252.16001892089844, 343.8080139160156]'}