Pediatric Neoplasms

13 years old girl with history of anterior chest wall mass with cervical, axillary and inguinal lymphandenopathy. the CT show the chest wall mass invades sternum and there are hilar lymphadenopathy.

What is your diagnosis??

Huge renal mass, male, one year old

2 yo male with a subcutaneous back mass

Nine years old boy with history of kidney mass

Primary squamous cell carcinoma of lung in a 13-year-old boy
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Tumor consisted of 2 cell types : neuroblastic cells with small round and hypercromatic nuclei, and thin cytoplasm, surrounded by cells with larger and vesiculer nucleoli with melanin cointaned cytopl