+A **tumor** is an unusual cluster of cells, a growth that defies normal body control. It can be [Benign](/wiki/benign), a gentle presence, or [Malignant](/wiki/malignant), a shadow with the potential to spread.
+## See also
+- [Cancer](/wiki/cancer)
+- [Cell Growth](/wiki/cell_growth)
+- [Disease](/wiki/disease)
... 1 more lines