Sharif will undergo an open-heart surgery on Tuesday, Defence Minister Khawaja Asif had said yesterday.
Asif, also a confidante of 66-year-old Sharif, had said doctors have advised the prime minister to undergo an open-heart surgery, following which he will be staying in the hospital for a week.
"The prime minister will travel after one week, on doctor's permission," he added.
Sharif's daughter, Maryam Nawaz had confirmed on twitter that her father will undergo an open-heart surgery on Tuesday.