进展期胃癌肉眼观察可分为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30912' and id < 2487627 and id<>'2487627' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30912' and id > 2487627 and id<>'2487627' order by id asc limit 5