Tumour is the abnormal accumulation of tissue which may be solid or fluid filled. Tumour also named as neoplasm. Tumours may be of two type’s benign tumour which is not cancerous and malignant tumour which is cancerous. Tumour is an unnecessary growth or lump or swelling that does not definitely cause a health threat.
Tumors of mesenchymal origin include fibroelastic tumors and those of bone, fat, blood vessels, and lymphoid tissue; they may be benign or malignant (sarcoma). Tumors of epithelial origin are found in glandular tissue and such organs as the breast, stomach, uterus, or skin; they also may be either benign or malignant (carcinoma). Mixed tumors contain different types of cells derived from the same primary germ layer, and teratomas contain cells derived from more than one germ layer; both kinds may be benign or malignant.
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