Two separate Princess Cruise vessels have called on Bermuda to drop off passengers for medical treatment.A US male from the cruise ship Grand Princess was brought ashore at about 7am on Sunday, and is being treated at King Edward VII Memorial Hospital (KEMH).Last night at 7pm, the Crown Princess made a similar stop off the East End for another US male passenger to disembark for KEMH.Both vessels are en route tot he Azores from Fort Lauderdale, but the two incidents are not believed to be related.