One week following partial esophagectomy for adenocarcinoma, a 64-year-old man cannot be weaned from a ventilator. Vitals are within normal limits. Chest is clear to auscultation. Serum T4 is normal, serum T3 is low, and serum TSH is normal. Which of the following is the most likely explanation for these findings?
Drug-induced thyroiditis
Lymphocytic thyroiditis
Euthyroid sick syndrome
Subacute thyroiditis
Subclinical hypothyroidism
