Here is a Webinar from the NTMir group about hemoptysis:
https://www.youtube.com/watch?v=JkKAFFIY1_0&t=21s

And here is a discussion between members who have experienced it, so you can connect with them. Simply click on a message that interests you and reply to it. This will notify the poster that you are looking for answers.
https://connect.mayoclinic.org/discussion/does-anyone-else-spit-up-blood-and-blood-clots/
Sue