As long as the whole tumor was removed, and the whole periphery of the tumor has been evaluated microscopically—from tumor to capsule to parenchyma, or from tumor to parenchyma if no capsule is present—by the pathologist, who is able to document there is no capsular or lymphovascular invasion, then the risk of recurrence or occurrence does not develop.
Noninvasive follicular thyroid neoplasm with papillary-like nuclear features
Intranodal palisaded myofibroblastoma
Mammary-type myofibroblastoma
Basaloid follicular hamartoma
Melanocytic tumors of uncertain malignant potential
Metastatic insulinoma
Germ cell neoplasia in situ
Solid pseudopapillary tumour