Back and Other Pain

Went to the Chiro today because I was having some back pains...he did his x-ray...said I had two spots where my back was mis aligned...middle and lower back areas...nothing to major but they asked for me to come back 6-12 times to continue the aligment process...because it controls the central nervous system, the doctor told me that this might also cause abdomen pain as well as other body aches...I have had a CT SCan, colonscopy, chest x ray , etc done without anyone finding a problem but always had some aches...ondering if this spinal alignement might help those aches...

Should I be sore after the first aligment??

Thoughts???