Malignant Tumor: Definition, Characteristics, and Metastasis Explained #3264507 (License: Personal Use)

This medical illustration depicts a malignant tumor originating in epithelial tissue, with abnormal red cells invading the basement membrane and detaching to spread. The surrounding gray cells represent normal epithelial lining, while the yellow outer ring suggests the underlying connective tissue. The detached red cells symbolize metastatic dissemination, a hallmark of cancer progression.

Used in oncology education, patient information portals, and medical textbooks to visually explain tumor invasiveness and metastasis; matches user intent for understanding cancer biology or diagnosis.