当前临床首选的宫颈锥切术（含LEEP刀）存在诸多不可规避的缺陷：一方面，手术会直接损伤宫颈机能，显著提升早产、自然流产风险，且切除组织量越大风险越高——而CIN2患者群体以25-35岁性活跃女性为主，保留生育能力是其核心需求；另一方面，手术无法彻底清除残留HPV病毒，术后复发率居高不下，部分患者需多次手术，极端情况下甚至面临子宫摘除的结局。
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Well, MongoDB was designed and created as a document database first and foremost, not an SQL one (NoSQL). It is focused and optimized for this particular use case and a way of storing and accessing data. PostgreSQL on the other hand, is a relational, SQL database that later on added support for composite column types like JSON/JSONB, ARRAY and others. Over the years, it has extended and optimized storing JSON documents in its own binary JSONB format, as well as added more ways to index, query and modify data of this type.
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