What is the medical term meaning malignant skeletal muscle tumor?

The root Word of or relating to muscle is my(o), and oma is the suffix for tumor. Therefore, Myoma is a Muscle Tumor.

The prefix rhabd(o) means striated or rod shaped, my(o) is the root Word of or relating to muscle, and oma is the suffix for tumor. Therefore, Rhabdomyoma is a Tumor of Striated Muscle.

The prefix lei(o) means smooth, my(o) is the root Word of or relating to muscle, and oma is the suffix for tumor. Therefore Leiomyoma is a Tumor of Smooth Muscle.
Leiomyoma.
The root Word of or relating to muscle is my(o), and oma is the suffix for tumor. Therefore, Myoma is a Muscle Tumor.

The prefix rhabd(o) means striated or rod shaped, my(o) is the root Word of or relating to muscle, and oma is the suffix for tumor. Therefore, Rhabdomyoma is a Tumor of Striated Muscle.

The prefix lei(o) means smooth, my(o) is the root Word of or relating to muscle, and oma is the suffix for tumor. Therefore Leiomyoma is a Tumor of Smooth Muscle.
Myoma