The correct option is A Malignant tumours may exhibit metastasis
Of the given statements, the correct statement is "Malignant tumors may exhibit metastasis ".
Metastasis is defined as the development of secondary malignant growths at a distance from a primary site of cancer.
Metastasis is one of the hallmarks of malignant tumors, distinguishing it from benign tumors. Although all malignant tumors can metastasize, the degree of metastasis varies.