aortectomy

a·or·tec·to·my

(ā'ōr-tek'tō-mē),
Excision of a portion of the aorta.
[aorta + G. ektomē, excision]

aortectomy

(ā″or″tek′tŏ-mē) [ aort- + -ectomy]
Excision of part of the aorta.