TSH and TGAB are high. Could this be Hashimoto's disease or cancer?

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Antithyroglobulin antibody can be positive in autoimmune thyroid problem. So, it can be a positive result to have hashimoto's thyroiditis and grave's disease. But, your thyroid hormone level is within range and TSH (thyroid stimulating hormone) not much elevated. So, clinical correlation is necessary with thyroid palpation and USG (ultrasound) scan.

Your throat pain can be due to thyroid inflammation or from posterior pharynx infection that is pharyngitis. In such inflammation, glands can be enlarged as generalized infection. Your physical examination and posterior pharynx examination should be done. An analgesic or an antibiotic if needed can be prescribed. If glands get enlarged persistently, then FNAC (fine needle aspiration cytology) can be done for further diagnosis. Do not think of malignancy. Consult otorhinolaryngologist for examination.