ACO	Arbeitsgemeinschaft Chirurgische Onkologie of DKG (Surgical Oncology working group of German Cancer Society)
AIO	Arbeitsgemeinschaft Internistische Onkologie of DKG (Medical Oncology working group of German Cancer Society)
ALAT	alanine transaminase
AP	alkaline phosphatase
ARO	Arbeitsgemeinschaft Radiologische Onkologie of DKG (Radiation Oncology working group of German Cancer Society)
ASAT	aspartate transaminase
BMI	body mass index
cCR	clinical complete response
COPD	chronic obstructive pulmonary disease
CRM+	infiltration of mesorectal plane
CRT	chemoradiotherapy
CT	computed tomography
CTC	common toxicity criteria
CTx	chemotherapy
d	days (since beginning of Radiotherapy/Chemotherapy)
DFS	Disease-free survival
EMVI+	extramural vascular invasion
gGT	gamma-glutamyl transferase
GFR	glomerular filtration rate
GOLD	Global Initiative for Chronic Obstructive Lung Disease
KPS	Karnofsky’s Performance Status
LARC	locally advanced rectal cancer
MRI	magnetic resonance imaging
N	positive lymph nodes
NOM	Non-operative management (“watch and wait”)
NYHA	New York Heart Association
OS	overall survival
pCR	pathological complete response
QoL	quality of life
q2w	once every 2 weeks
PFS	Progression-free survival
RT	radiotherapy
SD	standard deviation
sqm	square meter (reference on body surface area)
TME	total mesorectal excision
TNT	total neoadjuvant therapy
UICC	Union Internationale Contre Le Cancer
ULN	upper limit of normal range