AJCC	American Joint Committee on Cancers
AK	actinic keratosis
BCC	Basal cell carcinoma
CPD	confirmed progression disease
iCR	immune complete response
CTCAE	Common Terminology Criteria for Adverse Events
DP	disease progression
HFUS	High-frequency US
ICB	immune checkpoint blockades
irAEs	immune-related adverse events
ITM	in transit
LN	lymph node
MCC	Merkel cell carcinomas
MSC	melanoma skin cancer
NCCN	National Comprehensive Cancer Network
NMSC	Non-melanoma skin cancer
PR	progression rate
RC	response criteria
RECIST	Response Evaluation Criteria in Solid Tumours
SCC	squamous cell cancers
SD	stable disease
SLNB	sentinel lymph node biopsy
SNB	sentinel node biopsy
SNL	sentinel lymph node
SUV	standardized uptake value
TNM	tumour-node-metastasis
UEP	unequivocal progression
UPD	unconfirmed progression disease