hyderabad:the surgical team of kamineni hospitals headed by cardiothoracic surgeon dr avinash dal along with dr sudhakar rao, dr p v sai satyanarayana and dr sumeet roy successfully performed a surgery on a large isolated secondary mass of a cell tumour of bone occupying most of the left side of the chest of a patient on friday. the surgery took five hours and the patient was removed from artificial ventilation after six hours.