ALM	acral lentiginous melanoma
AUC	area under the curve
BRAF	v-Raf murine sarcoma viral oncogene homolog B1
CI	confidence interval
CMMR	Central Malignant Melanoma Registry
CR	complete response
CT	computed tomography
CTLA-4	cytotoxic T-lymphocyte-associated protein 4
CV	cross-validation
FCBF	fast correlation-based filter for feature selection
IQR	interquartile range
LDH	lactate dehydrogenase
LMM	lentigo maligna melanoma
LoG	Laplacian of Gaussian
MEK	mitogen-activated protein kinase kinase
ML	machine learning
mRMR	minimum redundancy–maximum relevance feature selection
n	number
NM	nodular melanoma
OS	overall survival
PACS	picture archiving and communication system
PD	progressive disease
PD-1	programmed death 1
PET	positron emission tomography
PFS	progression-free survival
PR	partial response
RAF	rapidly accelerated fibrosarcoma
RAS	rat sarcoma
RECIST	Response Evaluation Criteria in Solid Tumors
ROC	receiver-operating characteristic
SD	stable disease
SSM	superficial spreading melanoma