An adult horse was presented with the complaint of abnormal growth identified as sarcoid on the lateral aspect of the thoracic cavity. Surgical intervention was carried out by giving local anaesthesia. The sarcoid was removed; area was sutured and covered with proper antiseptic material. Analgesic and suitable antibiotics were administered for 5 days. The resected mass was fixed in 10% formalin for histopathological examination. Histopathologic study revealed the characteristics feature of sarcoid which include hyperkeratosis, hyperplasia and immature fibroblasts. Sutures were removed after 7 days and the animal recovered fully.