<JSON_RECORD>{'caption': 'The image is a CT scan of the brain, showing the cerebral structures without the use of contrast media.', 'region of interest': 'The region of interest, located centrally and in the lower-middle area of the brain, occupies approximately 0.5% of the image area and exhibits unusual features indicative of a CT scan, such as differences in density compared to the surrounding brain tissue.', 'observation': "This region's relative position to other cerebral structures suggests it could be related to the surrounding brain tissue either by being a consequence of a localized injury or pathology, or potentially affecting adjacent areas due to mass effect or pressure changes within the brain.", 'notes': '', 'bloc': '<loc_213><loc_204><loc_253><loc_344>', 'bbox': '[212.7360076904297, 203.52000427246094, 252.16001892089844, 343.8080139160156]'}