Warning Signs Of Childhood Cancers

Unusual Lump Of Swelling

A child with a malignant tumor may present with an unusual lump or swelling on a specific part of their body. The most common type of cancer that develops in children that causes an abnormal lump or swelling is referred to as soft tissue sarcoma. Soft tissue sarcoma in a child will present as a lump that does not usually cause any pain or physical discomfort. A painless lump in the limb of a child may be indicative of a bone tumor, skeletal muscle tumor, peripheral nervous system tumor, or blood vessel tumor. A painless abnormal lump in the abdomen or pelvis of a child can be indicative of a fat tissue tumor, fibrous tissue tumor, smooth muscle tumor, perivascular tumor, or blood vessel tumor. It is more common for a child with Li-Fraumeni syndrome, retinoblastoma 1 gene changes, neurofibromatosis type 1, familial adenomatous polyposis, SMARDCB gene changes, and Werner syndrome to be affected by a soft tissue sarcoma.

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