Lichen Disease is related to lichen planus and hilar lung neoplasm, and has symptoms including pruritus and related conditions An important gene associated with Lichen Disease is MIR31 (MicroRNA 31), and among its related pathways/superpathways are Innate Immune System and MIF Mediated Glucocorticoid Regulation. Affiliated tissues include skin, and related phenotypes are immune system and renal/urinary system