Assertion: brain tumor's brain | /r/HasProperty | xalkori
Facets:
Source sentences:
text: In 2015, the United States FDA approved Alecensa (alectinib) for use in patients with a specific type of non-small cell lung cancer (NSCLC; ALK-positive), a type of cancer which often metastasizes to the brain, whose condition worsened after use or were unable to take another medication, Xalkori (crizotinib).