What does discrete mass effect mean in medical terms?

Clear margins: Depending on the nature of a mass, the edges may be clearly discernible or diffuse. Discrete implies readily identified margins. The rest depends on the clinical context. Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. For nutrition: http://www.choosemyplate.gov/. Get HPV vaccine.

Mass: It's a fancy way of saying an abnormal growth of tissue. The term "no discrete mass" is often used in radiology reports as a way of saying there was no mass . You should provide more details to get a better answer. What did the entire report say ?