A malignant tumor can be constituted-of-or-filled-with bone.
A malignant disease can be constituted-of-or-filled-with lymphatic tissues.
A malignant disease of lymphatic tissues may cause enlargement of (lymph nodes).
An appearance can be suggestive of a metastasis of malignant melanomas.
A malignant glioma may be diagnosed in a portion of a brain.