Why is basal cell carcinoma considered less dangerous than malignant melanoma?
A) Basal cell carcinoma affects the stratum basale only and will not spread to any other layer, whereas malignant melanoma affects the melanocytes which can be found throughout the epidermis.
B) Basal cell carcinoma affect the cells of the stratum basale which cannot form tumors, whereas malignant melanoma affects the melanocytes which form cancerous tumors.
C) Basal cell carcinoma only occurs in the elderly, whereas malignant melanoma occurs in children and young adults.
D) Basal cell carcinoma only occurs on the face, whereas malignant melanoma can occur anywhere on the body.
E) Basal cell carcinomas rarely become malignant and metastasize, whereas malignant melanoma cells quickly spread throughout the lymphatic system to other organs.
Answer: E
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