Laboratory Techniques Used in the Diagnosis of Pediatric Tumors -- Imaging Techniques Used in the Diagnosis of Pediatric Tumors -- Soft Tissue Sarcomas -- Malignant Bone Tumors -- Tumors of Lymphoid and Hematopoietic Tissues -- Tumors of the Central Nervous System -- Pediatric Cancer in the Head and Neck -- Malignancies of the Pediatric Lower Respiratory Tract -- Gastrointestinal Cancers in Children -- Malignant Renal Tumors -- Germ Cell and Gonadal Tumors -- Tumors of the Adrenal Gland -- Malignant Skin Tumors in Children -- Intraocular Tumors -- Malignant Tumors of Peripheral Nerves.