Fig. 1From: Cutaneous neurofibromas: patients’ medical burden, current management and therapeutic expectations: results from an online European patient community surveySeverity and visibility of cNF depending on the age of patients. Severity grade (total number of cNF on the whole body) and visibility grade (number of cNF present on visible parts of the body) presented globally and by patient age from grade 1 (≤ 10 cNF) to grade 5 (> 500 cNF)Back to article page