The report indicated that in 2002, obesity was directly attributable to four per cent of cancers in women, but that this is estimated to have increased to 8.6 per cent in 2008 and could continue to grow.
Dr Andrew Renehan, senior lecturer at the University of Manchester and one of the authors of the study, pointed out that it is not his aim to be sensationalist, because he and his colleagues feel they are being conservative with their projections.
He added: "As more people stop smoking and fewer women take hormone replacement therapy, it is possible that obesity may become the biggest attributable cause of cancer in women within the next decade."
Dr Renehan's team used data from the World Health Organization for their study for the study.
A recent study led by Dr Steven Mittelman indicated that obesity impairs children's ability to fight leukaemia.