Abortion tissues test results

Patient: Hello doctor, I had a missed miscarriage ten days ago, it was my first pregnancy. My Gyn gave cytotec to avoid surgery, I miscarried naturally and some sampes has been sent to the lab.Today I took the results:Section revealed degenerated chorionic villi with normal size and trophoblastic proliferation together with decidualized endometrial stromal cell reaction.Picture is C/W retained product of normal conception.No granuomano specific pathogenNo molar pregnancyNo malignancyCan you explain what this results mean?Thank you

Symptoms: No symptoms