Fears have been raised over the political future of the 58-year-old president who has already had three cancer operations in Cuba since the middle of last year.
News of more surgery will likely raise new doubts about his political future and the fate of his self-styled "revolution" in the OPEC nation.
In his comments on Saturday, Chavez sat alongside members of his Cabinet, including Vice President Nicolas Maduro and Congress head Diosdado Cabello, two close and powerful allies who might look to replace him if Chavez were to leave office.
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The Olympic and World champion seem unfazed by the electric vehicle which sent him flying in Beijing.
The rapper declared his intention to run at the end of a rambling acceptance speech at the VMAs last night.
As we see in the end of August, we mark the meteorological end of summer 2015.