costotransversectomy

Excision of a proximal portion of a rib and the articulating transverse process.

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cos·to·trans·ver·sec·to·my -.tran(t)s-(.)vər-'sek-tə-mē, -.tranz- n, pl -mies surgical excision of part of a rib and the transverse process of the adjoining vertebra

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cos·to·trans·ver·sec·to·my (kos″to-trans″vər-sekґtə-me) excision of a part of a rib with the transverse process of a vertebra.