====== Infiltration ====== [[Cancer]] that has spread beyond the layer of [[tissue]] in which it developed and is growing into surrounding, healthy tissues. Also called invasive cancer. [[Glioblastoma]] (Glioblastoma), the most aggressive form of brain cancer, is characterized by a high level of [[molecular]] [[heterogeneity]], and infiltration by various [[immune cell]] and [[stromal cell]] populations. ---- see [[Wound infiltration]]. [[Local anesthetic infiltration]]