<prompt> A 40 year old male had multiple blisters over the trunk Extremities. Direct Immuno fluoresce studies showed linear IgG deposits along the Basement membrane, which of the following is the most likely diagnosis.Pemphigus vulgarisBullous pemphigoidPemphigus foliaceousDermatitis herpetiformis  <response>: B i.e. Bullous pemphigoid 