glandular cancer vs carcinoma

glandular cancer and carcinoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
glandular cancer	Yes	No	No	No
carcinoma	Yes	No	No	No

As nouns, carcinoma is a hypernym of glandular cancer; that is, carcinoma is a word with a broader meaning than glandular cancer:

glandular cancer: malignant tumor originating in glandular epithelium
carcinoma: any malignant tumor derived from epithelial tissue; one of the four major types of cancer

glandular cancer (noun)	carcinoma (noun)
malignant tumor originating in glandular epithelium	any malignant tumor derived from epithelial tissue; one of the four major types of cancer