Surgery In the Clatke&;s level of tumor invasion for malignant melanoma level 3 refers to A All tumar cells above basement membrane B Invasion into reticular dermis C Invasion into loose connective tissue of papillary dermis D Tumor cells at junction of papillary and reticular dermis 💡 Explanation In the Clatke&;s level of tumor invasion for malignant melanoma level 3 refers to ✓ Correct Answer: D. Tumor cells at junction of papillary and reticular dermis