Furthermore, the Dermatology Life Quality Index (DLQI) (41), Skindex series scales (42, 43), and the Functional Assessment of Cancer Therapy-Epidermal Growth Factor Receptor Inhibitor-18 (FACT-EGFRIs-18) scale (44) are all patient-reported tools and belong to skin-related quality-of-life scales. This evidence concerns the gene EGFR and cancer.