open-heart surgery
noun/ˌəʊpən hɑːt ˈsɜːdʒəri/
/ˌəʊpən hɑːrt ˈsɜːrdʒəri/
[uncountable]- a medical operation on the heart, during which the patient’s blood is kept flowing by a machineTopics Healthcarec2
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open-heart surgery