Finding cancer early makes it much more likely that treatment will work. There are early signs of cancer that are easy to spot if you know what to look for, even though cancer symptoms can be very different. If any of these last for more than a few weeks, don't wait, go see a doctor. Here, Dr. Tejinder Kataria, Chairperson of Radiation Oncology at Medanta – The Medicity, breaks down 10 early signs of cancer you shouldn't ignore.