A tumor, also known as a neoplasm, is an abnormal mass of tissue which may be solid or fluid-filled. A tumor does not mean cancer - tumors can be benign (not cancerous), pre-malignant (pre-cancerous), or malignant (cancerous).
Related journals of Tumor Study
Advances in cancer Prevention, Cancer surgery, Cervical cancer: Open Access, Advanced Techniques in Biology and Medicine, Tumor, Tumor Biology, Tumori, Brain Tumor Pathology