The bleeding you're describing, along with the sensation of a mass inside the anal area, is a common sign of piles (hemorrhoids), specifically internal hemorrhoids.
you need to visit a GENERAL SURGEON
you may need surgery - which will be decided after thorough physical examination, anoscopy
it's understandable to have concerns about potential side effects, such as difficulty controlling stool after surgery. However, modern laser surgery and minimally invasive procedures are designed to have fewer complications compared to traditional surgery. They usually have a lower risk of changing your ability to hold stool. Many people find that they can continue to manage their bowel movements normally after recovery. you can discuss with general surgeon
Next Steps
consult a General surgeon/ proctologist