<prompt> Flaccid bullae lesions with oral mucosal lesions. The finding in immunoflourescence isFish net IgG in epidermisLinear IgG in DEJGranular IgA in dermal papillaeLinear IgA in reticular dermis  <response>: Flaccid bullae with involvement of oral mucosa suggest the diagnosis of pemphigus vulgaris.In pamphigus, there is intercellular deposition of IgG in fish-net pattern. 