ALDH	aldehyde dehydrogenase
BBMRI-ERIC	BioBanking and Biomolecular Research Infrastructure–European Research Infrastructure Consortium
ChIP	Chromatin immunoprecipitation
CRISPR	Clustered Regulatory Interspaced Short Palindromic Repeats
CSC	cancer stem cell
CTC	circulating tumor cell
ctDNA	circulating tumor DNA
EMA	European Medicines Agency
FDA	Food and Drug Administration
ERNs	European Reference Networks
JARC	Joint Action on Rare Cancers
LC-MS	liquid chromatography and mass spectrometry
miRNA	micro-RNA
NGS	next generation sequencing
NMR	nuclear magnetic resonance
RAC	rare adult cancers
RGT	rare gynecological tumor
scRNA-seq	single-cell RNA sequencing
SELDI-TOF MS	Surface-enhanced laser desorption/ionization-time of flight mass spectrometry
SOAPs	Standard Operating Procedures
SP	Side-population