Dear,
Actually after ovarian cyst removal with Laproscopy , which complaints u are saying is not correlate , there may be conicidence .
Gastritis Pain can cause normally also because of many major problems also , so u can't corelate .
Sometimes chances of gastric pain may be bacause of painkillers , antibiotics induces gastritis , but shoulder Pain is rare so u Consult your treating doctor, take his opinion still u have problem then u can consult general physician
Next Steps
Fallow up with your treating doctor then still problem Consult any general physician
Health Tips
have Healthy diet excercise yoga Pranayama