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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Revered journalist AA Gill, who died weeks after revealing he had cancer, dedicated his final article to his experience with the NHS.
Gina Miller, the woman behind the Brexit legal challenge, said a motion passed by parliament on the issue is a 'red herring'.
The AA found 29% of young drivers admitted to drinking and driving the following morning even if they thought they could be over the limit.