Detailed answer

Stretch marks, also known as striae, are a common skin condition that occur when the skin stretches or shrinks rapidly. They often appear during puberty, pregnancy, or periods of rapid weight gain or loss. While stretch marks can be unsightly, they are generally harmless and not indicative of any underlying health issues, including cancer. However, if you notice any changes in the size, color, or texture of your stretch marks, or if you have concerns about your skin health, it is always best to consult with a healthcare professional for a proper diagnosis and appropriate advice.