咳嗽的痰，以前在學校教的是用sputum 。後來在臨床遇到老外用的是phlegm，但在美劇中用的是junk。
例1
醫師：What’s the problem?
病人：Just a little winded(喘) mostly.
醫師: Any fever? Coughing up
any junk?
wind
Cause (someone) to have difficulty breathing because of exertion or a blow
to the stomach.
Junk(本意為破爛垃圾，在這個地方是指痰)
Old or discarded articles that are considered useless or of little value
例2
C/O(complaint of) coughing up yellowish sputum with tiny bloody streaks for 8 months.
例3
Learn about your coughing up green or yellow phlegm, including causes and common questions.
