Ultra sound report as follows right lobe 4.6x1.7 x1.1 cm left lobe 4.0x 1.6x1.3 isthmus within normal limits at 2 mm. Mildly heterogenous thyroid echogenicity with subjectively normal vascularity.15 x 14x11 mm mixed echogenic left thyroid lesion,likely with internal calcification.no regional adenopathy. Do you feel this could be cancerous.thank you in advance