GI cancers	Gastrointestinal cancers
NIS	Nutrition Impact Symptoms
HRQoL	Health-Related Quality of Life
BC	Body Composition
BMI	Body Mass Index
SMM	Skeletal Muscle Mass
CT	Computed Tomography
MRI	Magnetic Resonance Imaging
SMD	Skeletal Muscle Density
BIA	Bioelectrical Impedance Analysis
TBW	Total Body Water
Z	Impedance
R	Resistance
Xc	Reactance
FM	Fat Mass
FFM	Fat-free Mass
PhA	Phase Angle
BCPs	Body Composition Profiles
PCA	Principal Component Analysis
SumSc	Summary Score
ROC	Rete Oncologica Campana
NRS-2002	Nutritional Risk Screening 2002
SARC-F	Strength, Assistance with walking, Rising from a chair, Climbing stairs, and Falls
WHO	World Health Organization
BCM	Body Cell Mass
ASMM	Appendicular Skeletal Muscle Mass
ECW	Extracellular Water
ICW	Intracellular Water
FMI	Fat Mass Index
BCMI	Body Cell Mass Index
SMI	Skeletal Muscle Index
ASMI	Appendicular Skeletal Muscle Index
EORTC QLQ-C30	European Organization for Research and Treatment of Cancer core Quality of Life Questionnaire
GHS	Global Health Status
SD	Standard Deviation
FDR	False Discovery Rate
PC	Principal Component
BMR	Basal Metabolic Rate
LMP	Low Muscle Profile
HMP	High Muscle Profile
AMG	Albumin-myosteatosis Gauge
MUST	Malnutrition Universal Screening Tool