Ma'anar ƙamus na kalmar carcinoma wani nau'in ciwon daji ne da ke farawa a cikin sel waɗanda suka yi fata ko kuma murfin gabobi. Carcinomas suna da halin haɓakar ƙwayoyin cuta marasa tsari, kuma suna iya yaduwa zuwa wasu sassan jiki. Akwai nau'o'in ciwon daji da yawa, ciki har da carcinoma cell cell carcinoma, adenocarcinoma, da basal cell carcinoma, da sauransu. Magani ga carcinoma yawanci ya ƙunshi tiyata, radiation far, da/ko chemotherapy.