microadenoma

noun
mi·​cro·​ad·​e·​no·​ma | \ -ˌad-ᵊn-ˈō-mə How to pronounce microadenoma (audio) \
plural microadenomas also microadenomata\ -​mət-​ə How to pronounce microadenomata (audio) \

Medical Definition of microadenoma

: a very small adenoma