Squamous cell carcinoma (SCC) is one of the most common cancers, but how does it actually behave? Many wonder how fast it spreads and if it can move beyond the skin. While some cases remain localized, SCC can spread to other areas, including lymph nodes and organs. But what determines its movement? Understanding the patterns of SCC spread can provide insight into its behavior and why treatment approaches vary. Here’s what you need to know.