Case Report
Copyright ©The Author(s) 2019.
World J Clin Cases. Jun 6, 2019; 7(11): 1337-1343
Published online Jun 6, 2019. doi: 10.12998/wjcc.v7.i11.1337
Table 1 Falch staging classification of anorectal melanoma
StageTumor spreadMedian survival time (mo)
ILocal tumor spread + no infiltration of muscular layer29
IILocal tumor spread + infiltration of the muscular layer11
IIIRegional tumor spread and/or lymph node metastasis9
IVDistal metastasis