The problem is the endometrial polyp and the fluid in the endometrial cavity. The polyp may require D&C and hysteroscopy for removal and to exclude cancer. The fluid in the cavity can be blood or discharge. Clinical correlation is necessary. Consult your Doctor. Hope this helps.
The answer is based on information provided. Exact advice is not possible without a proper examination and investigations. You are requested to consult your Doctor. Take care and keep us posted.