OPA	Ovine pulmonary adenocarcinoma
JSRV	Jaagsiekte sheep retrovirus
ATII	Alveolar type II pneumocytes
CC	Club cells
GA	Group A
GB	Group B
GC	Group C
IHC	Immunohistochemistry
AGR2	Anterior grade protein 2
JSRV-ENV	Jaagsiekte sheep retrovirus envelope protein
ENV	Envelope structural protein
Ca	Capsid
RT	Room temperature
HE	Hematoxylin-Eosin
DC-LAMP	CD208/dendritic cell–Lysosomal associated membrane protein
SPC	prosurfactant Protein C
CC10-1	Club cell proteins 1
CC10-2	Club cell proteins 2
K5	keratin 5
p63	tumor protein 63
CD44	cell surface glycoprotein CD44/Lymphocyte adhesion receptor
SPs	Surfactant proteins
HLC	Human lung cancer