Proctitis is an inflammatory change of rectal mucosa induced by various agents or stimulus. Among many etiologies. it may be caused by medical treatments such as radiation or antibiotics. Proctitis usually presents with rectal ulcer but abscess formation is uncommon. https://www.roneverhart.com/Castello-di-Amorosa-Il-Barone-Napa-Valley-Cabernet-Sauvignon-2007/