They were left floating on the wreckage for five days.
He said if it was stage III cancer, he would not seek treatment.
There are 261 joint exercises scheduled for this year, which will increase to 281 in 2019.
Human rights groups say at least 12,000 people have been killed since Duterte took office in 2016.
As many as 100 people may have been buried alive in the northern Philippines.
Typhoon Mangkhut, which is locally known as Ompong, hit the Philippines on Saturday, before making its way towards southern China and Vietnam.
Around 5 million people are in the path of the super typhoon's 180-mile-per-hour winds.
The president said the coup was planned by rogue elements within the military, communist rebels and opposing political parties.
The president claimed the beauty of local women was behind the high rate of rape in Davao City.
A Xiamen Air Boeing 737-800 crashed at Manila's Ninoy Aquino International Airport early on Friday morning.
The Philippine leader has previously called God "stupid" and a "son of a bitch," raising concerns in the mostly Catholic nation.
"I want you to know that I am thinking of stepping down because I'm tired," Duterte said during a speech on Tuesday, citing weariness with "graft and corruption."
Some militants are still fighting while others are "hiding out in sympathetic communities and urban areas," according to a new U.N. report.
"Your concern is human rights, mine is human lives," the president told a joint session of Congress.
During a speech at a science and technology event, the president of the Philippines vowed to resign if proven that God is real.
The leader of the Philippines doubled down on comments about the story of Adam and Eve, announcing, "Your God is not my God, because your God is stupid."
The president had already approved 33 different projects to upgrade and modernize military capacities.