What distinguishes Papillary Urothelial Neoplasm of Low Malignant Potential (PUNLMP) from other types of urothelial neoplasms?
A) PUNLMP shows invasive growth into the muscle layer.
B) PUNLMP exhibits high-grade cytologic atypia.
C) PUNLMP has a low risk of progression and metastasis compared to other urothelial carcinomas.
D) PUNLMP is characterized by rapid growth and frequent recurrence.