CCS	Clear cell sarcoma
ATF1	Activating transcription factor 1
EWSR1	Ewing sarcoma breakpoint region 1
CREB1	cAMP responsive element binding protein 1
MM	Malignant melanoma
HMB-45	Human melanoma black 45 antibody
MiTF	Microphthalmia transcription factor
S100	Calcium binding protein
Melan-A	Melanocyte antigen
FISH	Fluorescence in situ hybridization
RT-PCR	Real-time polymerase chain reaction
BRAF	v-raf murine sarcoma viral oncogene homolog B1
MPNST	Malignant peripheral nerve sheath tumor
GNET	Gastrointestinal neuroectodermal tumors
CT	Computer tomography
MRI	Magnetic resonance imaging
CA19-9	Carbohydrate antigen 19-9
CEA	Carcinoembryonic antigen
CA125	Carbohydrate antigen 125
CA15-3	Carbohydrate antigen 15-3
CA72-4	Carbohydrate antigen 72-4
AFP	Alpha fetoprotein
NSE	Neuron-specific enolase
SCC	Subfraction of tumor-associated antigens related to squamous cell carcinoma
CD99	Cluster of differentiation 99
CD15	Cluster of differentiation 15
CD56	Cluster of differentiation 56
SOX100	Sry-related HMg-Box gene 10
MART-1	Melanocyte antigen (also called Melan-A)
DOG-1 gene	“Discovered on GIST 1” gene
CD34	Cluster of differentiation 34
CDX-2	Caudal-type homeobox 2
CKIT/CD117	Receptor for tyrosine kinase
Ki67	Proliferation index
HE	Hematoxylin and eosin stain
Ab	Antibody
PET-CT	Positron emission tomography
NGS	Next-generation sequencing
VUS	Genetic variants of unknown significance
MYC gene	Myelocytomatosis oncogene
STAG2 gene	Stromal antigen 2 gene
DFS	Disease-free survival
OS	Overall survival
ESMO	European Society of Medical Oncology
NCCN	National Comprehensive Cancer Network
MET	Mesenchymal epithelial transition—tyrosine kinase receptor