Benign Non-Epithelial Gallbladder Neoplasm

A non-metastasizing neoplasm arising from the gallbladder wall. The neoplastic process does not involve the epithelial layer. Representative examples include leiomyoma, lipoma, and neurofibroma. (NCI Thesaurus)

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Benign Nipple Neoplasm

A non-metastasizing neoplasm that arises in the area of the nipple.

Benign Nervous System Neoplasm

Abnormal growth of cells in the nervous system without evidence of malignant characteristics. Unlike other organ systems, tumors in the central nervous…

Benign Neoplasms of the Mouse Mammary Gland

Autonomous new growth of well-differentiated mammary epithelium that has limited growth potential does not metastasize or invade surrounding structures and has normal…

Benign Neoplasm of the Meninges

A benign tumor occurring in the meninges, which surround the brain and spinal cord. The most common are meningiomas. - 2004…

Benign Neoplasm of Lower Jaw Bone

A non-metastasizing neoplasm that arises from the lower jaw bone.

Benign Neoplasm

A neoplasm which is characterized by the absence of morphologic features associated with malignancy (severe cytologic atypia, tumor cell necrosis, and high…