We were in the CT scanner room, where I was examining tissue extracted from a tumor in a young woman's chest. (discovermagazine.com)
In addition to trying to get enough tissue extracted with clean margins, any nearby enlarged lymph nodes will also be removed. (caninecancer.com)
She is now investigating whether this is also the case in humans by studying samples of bodily fluids of autistic and schizophrenic patients (as well as brain tissue extracted during autopsies) for evidence of abnormal MHC class I levels. (scientificamerican.com)