<prompt> Breslows method of histological staging of Malignant Melanoma is:Depth of penetration relation to layers of dermisThe vertical distance in mm from granular cell layer to deepest part of melanomaThe depth of invasion from stratum. corneum to deepest part of melanomaWidth of lesion measured in mm  <response>: Histopathological staging of malignant melanoma is done by 2 methods:i Breslows method : The vertical distance in mm from granular cell layer to deepest part of melanoma.ii Clark method : Depth of penetration is described in relation to different layers of skin. 