
1) Trachea surgery
Found on
https://www.crosswordclues.com/clue/cricoidectomy

A cricoidectomy is the surgical excision of the cricoid cartilage. The excision can often be performed under local anaesthetic and can either be partial or total. The procedure may be necessary as a treatment of pulmonary aspiration, to prevent progression to aspiration pneumonia. As the cricoid cartilage is the narrowest part of the trachea, it i...
Found on
http://en.wikipedia.org/wiki/Cricoidectomy

(kri″koi-dek´tә-me) excision of the cricoid cartilage.
Found on
http://www.encyclo.co.uk/local/21001

cricoidectomy Excision of the cricoid cartilage. The cricoid (from the Greek krikoeides, 'ring-shaped') is the only complete ring of cartilage around the trachea which is a tube-like portion of the breathing or 'respiratory' tract that connects the 'voice box' (larynx) with the bronchial parts of the lungs.
Found on
http://www.wordinfo.info/words/index/info/view_unit/568/
No exact match found.