“…The evidence regarding Mitomycin C (an anti-neoplastic agent which inhibits fibroblasts and angioneogenesis, and therefore reduces granulation tissue formation and subsequent fibrosis) consists of small case series [8,11] and a single small comparative study (not blinded or randomised) which suggests possible benefit [12]. The use of stents is advocated by some [3][4][5]7,[12][13][14], and avoided by others [6,8,15].…”