Usually serum calcium is very sensitive test and the readings may fluctuate due to contamination while testing.
Other causes include a diet rich in calcium or taking calcium supplements.
Probably all these issues are not related.
Bleeding or spotting after pap smear may also be observed for a day or two because the cervical cells are quite delicate.
If bleeding persists more than 5 days then it should be further evaluated.
Nodule in neck can be swollen lymph node due to sore throat and called reactive lymphadenopathy.
Overall,wait and watch approach should be considered as suggested by your doctor.
In the meantime you can take OTC Claritin and Motrin for sore throat.
Do saline gargles.
Hydrate yourself with plenty of fluids.
I hope this helps.
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