<prompt> In the Clarkes level of tumor invasion of malignant melanoma level 3 refers to:All tumor cells above basement membraneInvasion into reticular dermisInvasion into loose connective tissue of papillary dermisTumors cell at junction of papillary and reticular dermis  <response>: Clarks level on the basis of depth of invasion: EPIRS 1. Melanoma restricting to epidermis appendages 2. Invading Papillary dermis without filling it 3. Reach Interface of papillary reticular dermis 4. Invading reticular dermis 5. Invading subcutaneous tissue. 