Metastasis is the spread of a cancer from its primary site to secondary tumors through the blood stream. What makes this<unk>  is when the secondary tumors are too minuscule to be detected.
Micrometastasis
Metastasis
Rhabdomyosarcoma classification
Rhabdomyosarcoma staging
Epithelioid sarcoma staging
Breast cancer legacy
Rhabdomyoma staging
Adjuvant therapy