Authorities in Cooperstown are searching for a man who left Bassett Hospital Friday morning and hasn’t been seen since. Matt Sisson reportedly was suffering from a burst appendix, but left the hospital against doctor’s advice. He was last seen wearing red pajama pants and a dark blue EMS jacket that said “Chanango Ambulance” on the front. He was last seen walking along Route 28 towards Oneonta at about 7an Friday. You can see Sisson’s picture on the Otsego County Sheriff Facebook page.