Neoplastic a. : Of or pertaining to neoplasty, or neoplasia.

Example:
What is the meaning of Neoplastic and non-Neoplastic in terms of histopathology?

Taxonomy
Neoplasm, tumor, malignant neoplasm, clonality, Neoplasia, tissue, neoplastic cells, plasia, free encyclopedia, cells, lump, cancer, 2008-01-08, abnormal proliferation, malignant, Carcinogen, benign neoplasms, Tumor suppressor genes.

Defination from the web:
neoplastic cells all carry the same genetic or epigenetic anomaly which becomes evidence for clonality. ... Tumor (Latin for swelling) originally meant all forms of swelling, neoplastic or not. ...