Today, through this article, we will tell you about its early symptoms- Unexplained weight loss Rapid weight loss for no apparent reason is a common early symptom of blood cancer. It is important to consult a healthcare professional for timely diagnosis and treatment. Easy bruising or bleeding Individuals with blood cancers may have frequent and spontaneous bleeding or bruising. Any unexplained bleeding from the nose , Lump or swelling Swollen lymph nodes or other unexplained lumps should not be ignored , as they may be a sign of an underlying blood cancer. Difficulty breathing Difficulty breathing , especially with minimal exertion or while resting , can be a serious symptom of blood cancer. Sweating at night Excessive sweating during sleep , soaking through clothes and bedding , is another possible sign of blood cancer.