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Sentence analysis
8Spans
Sentence
Span Details
手術
surgery; operation; procedure; manual skill; sleight of handnoun, suru verb
後
after; later; post-noun, noun suffix, adverb
に
direction, time, indirect object, or target markergrammar
瘻孔
fistulanoun
が
subject markergrammar
形成
formation; shaping; creation; repair (plastic surgery); replacement; -plastynoun, suru verb
される
passive, potential, or respect auxiliarygrammar
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb