API-MALDI/TOF	atmospheric pressure ionization–matrix-assisted laser desorption/ionization/Time of flight
CHCA	alpha-cyano-4-hydroxycinnamic acid
CID	collision-induced dissociation
CRC	colorectal cancer
LC	liquid chromatography
FAP	familial adenomatous polyposis
FDR	false discovery rate
fpA	fibrinopeptide A
LMW	low molecular weight
MS	mass spectrometry
MS/MS	tandem mass spectrometry
nano-HPLC-ESI	nanoscale high-pressure liquid chromatography–electron spray ionization
SAM	significant analysis of microarrays
SAMR	implementation of SAM in the R language
SDQS	SeraDeg quality score
TFA	trifluoroacetic acid