Filter placement for clots:post op after a heart and liver transplant 6yrs ago. a piece of filter has traveled to lung. dr wants to remove filter.why?

Filter: A foreign body sitting in a pulmonary artery is a potential source of propagating thrombus and trouble. Is there a reason you didn't discuss with your doc? I'm sure the doc will discuss with you.

More: Possible that other, larger fragment could move( unusual) may be some other concern with migration, penetration. May need a new one above depending on current status. She needs to ask risks, benefits, options?