Bone tumors may be benign (noncancerous) or malignant (cancerous). Benign bone tumors are more common than malignant ones. Both types may grow and compress healthy bone tissue and absorb or replace it with abnormal tissue. However, benign tumors do not spread and are rarely life-threatening. Now since your colleague is rather shy, why don’t you ask her to e-consult at mediangels. She can chat and get medical advice from the comfort of her own home. Moreover she can even order her lab tests from home.