You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Most common type of malignant melanoma is and explain in detail?
A. i.e. (Superficial spreading melanoma) (613 -B & L 25th) (111- 13 S. Das 5th)MALIGNANT MELANOMA* Commonest type is superficial spreading melanoma (70%) and Least is acral lentiginous melanoma (2 - 8%)* Nodular melanoma is the most malignant form*** The presence of lymph node metastasis is the single most important prognostic index in melanoma* Skin is the most common site of malignant melanoma (palms, soles and external genitalia are the common site)* Cardinal symptoms of malignant change in a mole or naevus1. Increase in size2. Change in colour3. Bleeding4. Evidence of local spread5. Enlarged regional lymph nodes