car·ci·no·ma 
(kär′sə-nōmə)
(kär′sə-nōmə)n. pl. car·ci·no·mas or car·ci·no·ma·ta (-mə-tə)
An invasive malignant tumor derived from epithelial tissue that tends to metastasize to other areas of the body.
[Latin, cancerous ulcer, from Greek karkinōma, from karkinos, cancer; see kar- in the Appendix of Indo-European roots.]
car′ci·noma·toid (-nōmə-toid′) adj.
car′ci·noma·tous (-nŏmə-təs, -nōmə-) adj.