Labels:text | screenshot | black and white | black | font | document OCR: in their Sporadic and medul tion is lary carcinomas va especially degree of malignancy. In some the con cured by thyroidectomy, while in other nph node in patients who present initially with I widely metastases, the tumour may metastasi odes, within one or two years to mediastinal lungs, bones, and the liver. result of Papillary carcinomas may prove fatal a ultant lymphatic spread to the trachea, with r s in ulceration. More commonly, death occ omas due papillary, follicular, and anaplastic carc er, and to vascular spread to the lungs, brain, l the bones, Bone metastases usually involv may also vertebrae, pelvis, and ribs; however, th occur in the long bones
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