Of a growth in the body, not cancerous.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "nonmalignant" in a sentence
"It was described as a nonmalignant melanoma, a precancerous growth."
"The charity, Voices Against Brain Cancer, conducts monthly support groups for caregivers and families of brain-cancer patients, as well as people who have been diagnosed with nonmalignant brain tumors."
"Even the distinction between malignant and nonmalignant tumors likely escaped Hippocrates: his karkinos included every conceivable form of swelling—nodes, carbuncles, polyps, protrusions, tubercles, pustules, and glands—lumps lumped indiscriminately into the same category of pathology."