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发生于泌尿系统任意部位的肿瘤。包括肾、肾盂、输尿管、膀胱、尿道肿瘤。其中肾盂以下为有管道的脏器,腔内均覆盖尿路上皮,所接触的内环境都是尿,致癌物质常通过尿液使尿路上皮发生肿瘤,所以肾盂、输尿管、膀胱、尿道的尿路上皮肿瘤均有其共性,并可能多器官发病。
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$category['dir'] == 'meidu' or $category['dir'] == 'linbing' or $category['dir'] == 'szqpz' or $category['dir'] ==
'ruxiagan' or $category['dir'] == 'xbxlbryz' or $category['dir'] == 'shengzhiqinzjb' or $category['dir'] == 'nxjrsy'
or $category['dir'] == 'nvxingjrsy' or $category['dir'] == 'waiyinjrsy' or $category['dir'] == 'gangzhoujrsy' or
$category['dir'] == 'maodichongbing' or $category['dir'] == 'qianfumeidu' or $category['dir'] == 'xiantianxingmeidu'
or $category['dir'] == 'shenjingmeidu' or $question['id'] == '300855'}