UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 ____________________ FORM 10-K (Mark One) x Annual Report Pursuant To Section 13 or 15(d) Of The Securities Exchange Act of 1934 For The Fiscal Year Ended December 31, 2018 or ¨ Transition Report Pursuant To Section 13 or 15(d) Of The Securities Exchange Act of 1934 For The Transition Period From _______________ to _______________ . Commission file number 1-08789 ____________________ American Shared Hospital Services (Exact name of regist ...