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thoracotomy
thoracotomy n. 
/ˌθɒrəˈkɒtəmi/,
Brit. /ˌθɔːrəˈkɒtəmi/
, /ˌθɔːrəˈkɒtəmi//ˌθɒrəˈkɒtəmi/U.S. /ˌθɔrəˈkɑdəmi/
incision into the thorax. [Compare French thoracotomie (1836 or earlier).] /ˌθɔrəˈkɑdəmi/ΘΚΠ
the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [noun] > operations on the chest or breast
thoracotomy1857
thoracostomy1908
mastectomy1923
lumpectomy1972
1857 R. Dunglison Med. Lexicon (rev. ed.) 910/2 Thoracotomy, thoracocentesis.
1890 J. S. Billings National Med. Dict. II Thoracotomy, cutting into the chest; Estlander's operation.
1944 Lancet 26 Aug. 265/1 A right anterior thoracotomy exposed the bleeding-point.
1976 Proc. Royal Soc. Med. 69 851/1 Subcutaneous midline sternotomy is a method whereby an upper abdominal vertical incision may be extended into the chest without performing a formal thoracotomy and without opening the pleura.
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