thyroid cancer: malignant neoplasm of atypical thyroid follicular epithelial cells.

background medical science cancer disease tissue cells pathology tumor nuclear microscopy gland histology biopsy thyroid malignant cytoplasm metastasis malignancy goiter screening tumors metastatic nuclei thyroid atypical epithelial central lymph node cervical node follicular neoplasm papillary carcinoma suspicious grooves grooving inclusions isthmus lobectomy lump mitoses nodular nuclear grooving papillae papillary pleomorphism thyroidectomy