Hey Dolce,
It's nice you're considering Heme/Onc as a possible career path...I think it's the most amazing field in Medicine and there are so many areas just waiting to be explored.
That said,I don't have a background in research and I hadn't published any papers...my residency program is an inner city community peds program.That didn't stop me from getting interviews at the top programs.Fortunately,we get to go thru the match and once you get an interview I guess the onus is on you to prove your interest in the field.Most of the docs who have interviewed me have not viewed no research/no papers as a minus in the race.
So my opinion is if you decide you're interested...go for it!!!
GL