“…The majority of articles were retrospective studies (n=34), except for 1 prospective study; 11 articles provided survival data for uninodular HCC (26,(30)(31)(32)34,43,45,46,53,56,60); 2 0 a r t i c l e s h a d a s t u d y e n d -d a t e b e f o r e 2 0 1 0 (33,(35)(36)(37)40,42,43,45,47,(49)(50)(51)(52)(53)(54)(55)(56)(60)(61)(62). Additionally, 14 studies used enhanced surveillance strategies for HCC surveillance after surgery (26,28,30,(33)(34)(35)40,43,44,(56)(57)(58)61,62). All included studies were of high quality by NOS, with 10 studies having an NOS score of 9, and 25 studies having an NOS score of 8.…”