<prompt> MOHs micrographic excision for basal cell carcinoma is used for all the following ExceptRecurrent tumourTumor less than 2 cm in diameterTumors with aggressive histologyTumors with perineural invasion  <response>: Indications for Moh;s micrographic surgery in basal and squamous cell CaRecurrent tumourTumour size 2 cm in diameterTumours with aggressive histology such as Infiltrative micronodular BCC or poorly differentiated SCC.Tumors with ill-defined marginsTumors that are incompletely excisedTumors with perineural invasionTumor location where maximal conservation of normal tissue is impoant such as eyelid, nose, ear, lip, digit, genitalia. 