Which of the following is a correct statement regarding benign tumors or malignant tumors? Benign tumors are always well-differentiated. Benign tumors usually grow rapidly. Malignant tumors are always undifferentiated. Malignant tumors are usually localized. All cells from a malignant tumor could have O identical morphology and same genotype. O identical genotype but different morphology different genotypes and different morphology different genotypes but same morphology