Please refer to the TCGA-GBM collection as a well-documented collection of of brain-tumor images as described in: https://wiki.cancerimagingarchive.net/display/Public/TCGA-GBM
(This wiki page also links to the wiki pages describing the related research activities and related resources). On this page, in the Related Data section, there is a link to a blank GBM Case Quality Control Form that details the kinds and decriptions descriptions of clinical data collected. The data are freely available from the TCGA Data Portal: https://tcga-data.nci.nih.gov/tcga
Once here, the you would click on the link to the Glioblastoma multiforme [GBM] data. Since TCIA does not host the TCGA Data Portal, we do not offer guidance for browsing the Data Portal.