Cancer fatigue is more challenging than cancer Updated Feb 4, 2021, 11:59 am IST Survival with quality life is important and this means people have to build self-confidence to overcome the mental trauma and side-effects Cancers like leukemia, colorectal cancers and lung cancer are found to affect breathing. — Pixabay Hyderabad: Cancer fatigue is more challenging than fighting the disease as many patients are not aware why they are tired, unable to concentrate attention or lead quality life as they did before. On World Cancer Day on February 4, experts say the crux of fighting cancer is not recovery alone but also 'managing to survive'.