患者,男性,58岁。胸片示2cm×的答案
患者,男性,58岁。胸片示2cm×2.5cm大小的左肺肿块影,并左胸腔积液,支气管纤维镜检查为鳞癌,行左上肺叶加淋巴结切除,手术后第2日病情平稳,患者可进行的活动是
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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