Frequent stomach cramps or stomach aches may be indicative of colorectal cancer.
14. A red, painful, or swollen breast
These symptoms may indicate inflammatory breast cancer. Call your doctor if you have any unexplained changes in your breasts.
15. Nipple changes
One of the most common changes that women remember noticing before being diagnosed with breast cancer is that the nipple becomes flattened, inverted, or turned to one side.
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