Pediatric retroperitoneal neuroblastoma in the Upper Egypt.
INTRODUCTION: Neuroblastoma is the most common intra-abdominal malignancy of infancy and the most common extra cranial solid tumor of childhood. Compared to any other tumour, this tumour has varied clinical presentation and has great differences in distribution and response to therapy. Although there have undoubtedly been major advances in therapy over recent decades, there is still room for significant improvements ... Read more