1. Form of rhabdomyosarcoma that affects limb muscles of older adults
   - pleomorphic rhabdomyosarcoma

Type of: rhabdomyosarcoma, rhabdosarcoma

• genus Sarcocystis
• genus Sarcodes
• genus Sarcophaga
• genus Sarcophilus
• genus Sarcoptes
• genus Sarcorhamphus
• genus Sarcostemma
• genus Sarda
• genus Sardina
• genus Sardinia
• genus Sardinops
• genus Sargassum
• genus Sarracenia
• genus Sassafras
• genus Satureia
• genus Satureja
• genus Saturnia
• genus Sauromalus
• genus Saurosuchus
• genus Saururus
• genus Saussurea
• genus Saxegothea
• genus Saxicola
• genus Saxifraga
• genus Sayornis