Primary Tumor

A primary tumor is a tumor growing at the anatomical site where tumor progression began and proceeded to yield a cancerous mass.

Famous quotes containing the word primary:

    “Parental attitudes have greater correlation with pupil achievement than material home circumstances or variations in school and classroom organization, instructional materials, and particular teaching practices.”
    —Children and Their Primary Schools, vol. 1, ch. 3, Central Advisory Council for Education, London (1967)