Why do I have pain at my access port? 11 years post lap band with no problems until now

I had severe diarrhoea and flatulence for the last week also and that seems to be subsiding however the pain at the site persists although probably has improved slightly. I also had a minor fall on my left Could I have a hernia at this port site? I am not experiencing any nausea or vomiting so hence I feel the band itself is ok. Please confirm that it is the access port I am feeling below my ribs on my left side? I presume I cannot feel the lap band itself that is around my stomach?

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