thyroid cancer: microscopic image of metastatic papillary carcinoma of thyroid. reactive change. lymph node carcinoma

science research disease tissue cells tumor nuclear gland histology biopsy malignant cytoplasm metastasis goiter tumors metastatic nuclei thyroid cancer atypical epithelial cervical lymph node node grooving isthmus carcinoma metastatic papillary mitoses papillae papillary reactive change thyroidectomy