某男，做化工厂聚合釜清釜工28年。乏力、厌食、恶心、呕吐、腹胀、右季肋部疼痛1年余。查体：眼巩膜无黄染，皮肤无出血点和蜘蛛痣。肝下界于右肋下2cm，脾大左肋下0.5cm。血清谷丙转氨酶活性正常，乙型肝炎表面抗原阴性。根据工种和临床所见推测其最可能的职业性接触为（）_职业病诊断知识_全学科试题题库

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某男，做化工厂聚合釜清釜工28年。乏力、厌食、恶心、呕吐、腹胀、右季肋部疼痛1年余。查体：眼巩膜无黄染，皮肤无出血点和蜘蛛痣。肝下界于右肋下2cm，脾大左肋下0.5cm。血清谷丙转氨酶活性正常，乙型肝炎表面抗原阴性。根据工种和临床所见推测其最可能的职业性接触为（）
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