Teacher:Given an abstract, generate a keyword (a noun phrase) that best describes the focus or contribution of the paper. Such keywords can be directly from the given abstract or outside it.
Teacher: Now, understand the problem? Solve this instance: Abstract: A patient is presented in whom endotracheal intubation was impossible secondary to an obstructing substernal goiter and laryngeal spasm. Cardiopulmonary bypass was utilized to provide safe induction of anesthesia and intubation so that the substernal goiter could be removed. Other alternative methods in anesthetic management are discussed.
Student:
Aged