these features , together with the absence of actual muscle cell proliferation and the assumption that the mass of the tumor could be explained by the enormous swelling of the muscle cells , lead us to conclude that an adult rhabodomyoma is merely the result of a process of disorderly degeneration and regeneration rather than a real neoplasm or a hamartomatous lesion .
C0027651
neoplasm
C0018552
hamartomatous