Sarcoma botryoides is mostly seen in -
Sarcoma botryoides (Embryonal rhabdomyosarcoma) 

Sarcoma botryoides is an uncommon vaginal tumor most frequently found in infants and in children younger than 5 years of age.
The tumor consists predominantly of malignant embryonal rhabdomyoblasts.
The tumor have the appearance and consistency of grape like clusters.
Neonates
Children under 2 years
Adults
Post menopausal