Clinicopathological characteristics, diagnosis, treatment, and outcomes of primary XXXX .

@entity1 @entity5 @entity957 @entity3 @entity420 @entity356
BACKGROUND: Primary @entity356 (ASC) is a rare subset of ASC. This study aims to investigate the clinicopathological features, diagnosis, treatment, and outcomes of primary gastric ASC. METHODS: The medical records of 13 consecutive @entity1 with primary gastric ASC between January 2010 and July 2014 from a single institutional database were reviewed. RESULTS: Male predominance was observed (M/F = 10/3) among the @entity1 , and their median age was 62 years (range: 43 to 79 years). The primary lesions were most often found in the upper third of the stomach, with a median @entity5 size of 5 cm (range: 2.25 cm to 10.5 cm). Ten @entity1 underwent radical resections (R0 resection, 76.9%), while three @entity1 had palliative resections (R1/R2 resection, 23.1%). Twelve @entity1 had lymph node @entity3 at the time of surgery. @entity420 and @entity957 components in lymph node were found in eight and two cases, respectively, while two @entity1 had both @entity957 and @entity420 components. In terms of the TNM staging system, stages IIB, IIIA, IIIB, IIIC, and IV were detected in 2 (15.4%), 2 (15.4%), 1 (7.7%), 5 (38.5%), and 3 (23.1%) @entity1 , respectively. The median follow-up period was 22 months (range: 5 to 52 months); during which, four @entity1 were still alive and eight @entity1 died because of @entity5 progression. The 1-, 2-, and 3-year survival rates were 76.9%, 46.2%, and 15.4%, respectively. CONCLUSIONS: Primary gastric ASC has a very poor prognosis, and both @entity957 and @entity420 components have distant @entity3 potential.
