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    WebMD Symptom Checker

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    WebMD Symptom Checker

    Blood on stool surface, Change in stools and Thin (pencil) stools

    WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms blood on stool surface, change in stools and thin (pencil) stools including Dietary changes, Colon cancer, and Hemorrhoids.

    There are 10 conditions associated with blood on stool surface, change in stools and thin (pencil) stools. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.

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