Neoplasm n. : A new formation or tissue, the product of morbid action.

Example:
is thyroidectomy the ONLY way to determine if a papillary lesion / follicular Neoplasm is benign or malignant?

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:
neoplasm, namely an invasive colorectal carcinoma (the crater-like, reddish, irregularly-shaped tumor) ... Potentially malignant neoplasms include carcinoma in situ. They do not invade and destroy but, given enough time, will transform into a cancer. ...