“…Ninety-eight cases of in situ or invasive carcinoma within a PT were identified in the literature [3‒64], including 31 cases compiled from case series by Sin et al, Widya et al, Co M. et al, Saimura et al, and Nistor-Ciurba et al [65‒69], as shown in Table 1. Patients averaged 49 years old, ranging from 19 to 80 years.…”