Benign or cancerous tumors seen in the PPB cancer predisposition syndrome include:

• PPB
• Lung cysts
• Cystic nephroma
• Wilms tumor
• Nephrogenic rests
• Embryonal rhabdomyosarcoma
• Synovial sarcoma
• Thyroid hyperplasia
• Papillary thyroid carcinoma
• Medulloblastoma
• Gonadal tumors including: teratoma, sertoli-leydig tumors, seminoma
• Langerhans cell histiocytosis
• Hodgkin disease
• Acute lymphoblastic leukemia