A 45-year-old fair-skinned man presents with a 7 mm irregularly pigmented lesion on his upper back that has changed in size and colour over 3 months. Dermoscopy suggests suspicious features for melanoma. What is the most appropriate next step?AShave biopsy of the most pigmented part of the lesionBPunch biopsy of the edge of the lesion onlyCComplete excisional biopsy with 2 mm clinical marginsDCryotherapy to the lesionEObserve for another 6 months to see if it changesCheck my answer