The symptoms vary, depending on where your child’s neuroblastoma tumour is: if the tumour is in the abdomen, your child’s tummy may be swollen and they may complain of constipation or have difficulty passing urine (peeing) if the tumour affects the chest area, your child may be breathless and have difficulty swallowing if the tumour occurs in the neck, it’s often visible as a lump and occasionally affects breathing and swallowing occasionally, there are deposits of neuroblastoma in the skin that appear as small, blue-coloured lumps if the tumour is pressing on the spinal cord, children may have weakness in the legs and walk unsteadily – if your child is not yet walking, you may notice reduced leg movements; they may also have constipation or difficulty passing urine (peeing) your child may be found to have high blood pressure very rarely, children may have jerky eye and muscle movements, and general unsteadiness associated with the neuroblastoma There are often symptoms of tiredness, being pale, loss of appetite, weight loss, bone pain and generalised discomfort.