This suggests a significance of the presence of p75NTR+ cells in that group of patients, and it is in line with previous publications that have also reported the significance of p75NTR in prostate [60] and pancreatic [61] cancers, melanoma [18], oral [21], oesophageal [19,62,63], and laryngeal squamous cell carcinoma [64]. Here, NGFR is linked to melanoma.