A pelvic tumor is any one of the numerous that occur in the pelvis. Within the pelvis, these tumors may involve specific organs or tend to occupy intra-organ spaces. Tumors found in the presacral space and sacral space are most prevalent in children. Tumors occupying specific organs have a more complex natural history. Different tumors have different symptoms. Some pelvic tumors produce a sensation of heaviness in the pelvic area.
Sacral space (in approximate order of prevalence):
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