i am 35 yr old female approx 5'5 and wt about 146. at age of 32 found stage 2 coloncancer which was removed with resection of colon and no chemo or radiation was needed cancer had not spread to lymph nodes. since surgery i have been diagnosed with anxiety r/t rapid heartrate high bp and feeling of not being able to catch my breath i am taking xanax .25mg up to 4x a day but some days none, today i received a letter saying my tsh is high i am concerned that more is going on then anxiety and that the dr are just overlooking the big picture any thoughts?