scir·rhus 
(skĭrəs, sĭr-)
(skĭrəs, sĭr-)n. pl. scir·rhi (skĭrī, sĭrī) or scir·rhus·es
A hard dense cancerous growth usually arising from connective tissue.
[New Latin, from Latin scirros, from Greek skīros, skirros, from skīros, hard.]
scirrhous, scirrhoid′ adj.