4-AHP	4-Amino-3-hydroxyphenylalanine
Anti-PD	Anti-programmed cell death protein
BRAF	B-Raf proto-oncogene serine/threonine kinase
CMC	Circulating melanoma cells
COMT	Catechol-O-methyl transferase
CSF	Cerebrospinal fluid
DHI	5,6-Dihydroxyindole
DHICA	5,6-Dihydroxyindole-2-carboxylic acid
EI	Erythema index
HD	Hemodialysis
HMB-45	Human melanoma black-45
HGF	Hepatocyte growth factor
5H6MI2C	5-Hydroxy-6-methoxyindole-2-carboxylic acid
6H5MI2C	6-Hydroxy-5-methoxyindole-2-carboxylic acid
ICAM-1	Intercellular adhesion molecule-I
LDH	Lactate dehydrogenase
MI	Melanin index
MIA	Melanoma inhibitory activity
miRNA	microRNA
Nivo	Nivolumab
PB-DOPA	Protein-bound 3,4-dihydroxyphenylalanine
PB-5SCD	Protein-bound (PB)-5SCD
PD	Peritoneal dialysis
PD-1	Anti-programmed cell death protein
RT	Radiotherapy
PMMB	Primary malignant melanoma of the breast
PMME	Primary melanoma of the esophagus
RT-PCR	Reverse transcription polymerase chain reaction
S100B	S100 calcium-binding protein B
5SCD	5-S-Cysteinyldopa
UV	Ultraviolet