Columbia subject headings:
Lungs--Tumors.
Tumors--Classification.
Harvard subject headings:
Histology, Pathological--Atlases.
Lungs--Tumors--Atlases.
Lungs--Tumors--Classification.
Princeton subject headings:
Atlases.
Histology, Pathological--Atlases.
Lungs--Tumors--Atlases.
Lungs--Tumors--Classification.