Abstract Pulmonary tumor thrombotic microangiopathy (PTTM) is a fatal disease associated with malignant tumors that progresses to pulmonary hypertension. Gastric cancer is the most common cause. followed by breast cancer and lung cancer. whereas PTTM due to thyroid cancer has not been reported. https://countryscenesaddleryandpetsuppliers.shop/product-category/rope-halter/