<prompt> All of the following are histopathological findings of papillary carcinoma, exceptOrphan Annie eye nucleiPsammoma bodiesMonofocal papillary projectionsIntranuclear grooves  <response>: PathologyPapillary projectionsPsammoma bodies concentric calcificationsPale empty orphan annie nuclei FINELY DISPERSED CHROMATIN IMPARTS AN EMPTY APPEARANCEIntranuclear grooves and nuclear characteristics are diagnostic of papillary carcinomaMultifocality is common in papillary carcinomaTSH levels are high; tumors are TSH dependent, hence follow-up with TSH.Key Concept:Multifocality is common up to 85 of cases on microscopic examination.Multifocality is associated with an increased risk of cervical nodal metastases, rarely invade adjacent structures such as the trachea, esophagus, and RLNs.RLN implies lymph nodes. 