nonmalignant neoplasm

NOUN
21 LETTERS · STARTS WITH N

nonmalignant neoplasm is a valid 21-letter word worth 27 points in Scrabble and 38 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1O1N1M3A1L1I1G2N1A1N1T1N1E1O1P3L1A1S1M3
1 + 1 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does nonmalignant neoplasm mean?