I was sent to endo. dr. after 2 months with my thyroid hormones showing hyperthyroid had blood work done that day and numbers were good did exam and I am having problems with tonsils trouble swallowing severe night sweats during exam thyroid mild enlargement blood work wbc high,mch high,rdw high,plt high. so he ordered ultra sound and called and heterogenous solid nodule on left lower pole measuring 4mm but a1.2x1.1 cm. right upper pole heterogenous solid nodule and isthmus .61 cm. what does this mean?