5-FU	5-fluorouracil
BW	body weight
COX-2	cyclooxygenase-2
CRC	colorectal cancer
CTx	chemotherapy
DM#1	B. breve, L. acidophilus, L. casei, S. thermophilus
FAO	The Food and Agriculture Organisation
F/B	Firmicutes/Bacteroidetes
FOLFOX	5-fluorouracil (5-FU), leucovorin (LV) and oxaliplatin
GIT	gastrointestinal tract
GSH	glutathione
IFN	interferon
IL	interleukin
IM	intestinal mucositis
LaBi	Lactobacillus and Bifidobacterium
Lcr35	Lactobacillus casei variety rhamnosus
MPO	myeloperoxidase
MUC	mucin
NF-κB	nuclear factor kappa-light-chain-enhancer
PCNA	proliferating cell nuclear antigen
ROS	reactive oxygen species
RTx	radiotherapy
SCFA	synthesis of short chain fatty acids
SN-38	active metabolite of irinotecan
TLR	toll-like receptors
TNF	tumor necrosis factor
VS	versus
VSL#3	L. acidophilus, L. plantarum, L. casei, L. bulgaricus, B. breve, B. longum, B. infantis, S. thermophilus
WHO	World Health Organization