Um...Um...uh, it's a sign of...it's a s...it's a sign that the tumor has infiltrated the pericardium.
是...是...关于肿瘤,已经穿透了心包膜。
科学60秒-科学美国人 2021年11月合集
But we thought it would be even cooler if we could get cells to be the bomb and have those cells go into the body and infiltrate a tumor to get inside.”