Metastatic cancers spread to different parts of the body by invading nearby tissues and moving through the bloodstream or lymphatic system.
Metastatic cancers are characterized by the ability of cancer cells to spread to other parts of the body through mechanisms like invading nearby tissues, moving through blood vessels or the lymphatic system, and forming new tumors in different tissues. One common characteristic is that metastatic cancer cells usually look similar to the cells of the original cancer under a microscope and share molecular features.
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