Whether a grade III breast nodule will heal on its own is related to the size of the nodule and needs to be analyzed on a case-by-case basis. Breast nodule grading is a breast imaging term that includes breast ultrasound, mammogram and breast MRI that indicates the chance of malignancy of a breast nodule. For a grade 3 breast nodule, it usually represents a higher probability of suggesting a benign breast nodule, about 98% or more. If the breast nodule is relatively small in size, it may heal on its own. However, for larger breast nodules, self-healing is less likely and requires minimally invasive treatment or surgical removal and pathological examination to determine the nature of the nodule to rule out the possibility of malignancy. When breast nodules appear, women should not worry too much first. They can visit the breast surgery department of a regular hospital to clarify the volume of breast nodules. If the nodule is large, you should not blindly expect it to heal on its own, but actively treat it according to its cause.