A 72 year old male presented with a chief complaint of groin swelling and was clinically diagnosed as direct inguinal hernia and was planned for hernioplasty. Patient had no respiratory symptoms like cough or haemoptysis. Incidentally it was found that patient was having mass lesion on the left side in chest x ray and was referred to CTVS department. The patient however had no complaints pertaining to the mass. He underwent CECT and was found to have ?peripheral bronchogenic tumour in left posterior mediastinum. Later left posterolateral thoracotomy was done and intra operatively mass was found originating from left lower lobe of lung and left lower lobectomy was done. Mass was around 10x15x10 cms, stony hard in consistency within the left lower lobe. The entire specimen was sent for HPE. Post operatively the patient was stable and regularly followed up. HPE of the mass was pulmonary hamartoma.