Bowel issue/ colon not emptying?

Patient: Embarrassing problem. I am 58 yo female. Stool seems to be settling in colon and freq have small amounts in underwear. No sensation of needing to have bowel movement. Diet fairly health.

Symptoms: Embarrassing problem of feces frequently in underwear with no sensation of needing to have a bowel movement. Feces settling in lower colon? Diet healthy. 57 yo female and healthy.