Representative pathologic features of colorectal cancer. Lymphovascular invasion (A), perineural invasion (B), lymphocyte infiltration (mild, moderate, and severe) (C), and type of tumor growth (expanding D and infiltrative E). High tumor budding at the invasive margin stained with hematoxylin and eosin (F) and cytokeratin expression (G).
Lee et al. Diagnostic Pathology 2013 8:99 doi:10.1186/1746-1596-8-99