Causes of a goiter include an imbalance in the thyroid gland and Goiter symptoms generally occur in a gland that is overactive, producing too much hormone (hyperthyroidism), or that is underactive, producing too little hormone (hypothyroidism).
ICD-9 170.3 is malignant neoplasm of ribs, sternum, and clavicle (1703). This code is grouped under diagnosis codes for neoplasms.
Hypernyms (malignant neoplasm is a kind of...): neoplasm; tumor; tumour (an abnormal new mass of tissue that serves no purpose). malignance; malignancy ((medicine) a malignant state; progressive and resistant to treatment and tending to cause death). Hyponyms (each of the following is a kind of malignant neoplasm):