An Overview of Cancer Pathogenesis, Diagnosis, and Management Tumors of the Skin and Soft Tissues Tumors of the Hemolymphatic System Tumors of Joints Tumors of Bones Tumors of Muscle Tumors of the Respiratory Tract Tumors of the Alimentary Tract Tumors of the Liver and Gall Bladder Tumors of the Urinary System Tumors of the Genital Systems Tumors of the Mammary Gland Tumors of the Endocrine Glands Tumors of the Nervous System Tumors of the Eye