<prompt> Answer this question truthfullyCould you provide me with the current wording that needs to be rephrased?  <response>: <reason> Common complications of adenocarcinoma of the lung include breathing difficulties, pneumonia, pleural effusion, metastasis, and Horners syndrome. The prognosis of adenocarcinoma of the lung varies with the staging of tumor; stage IA have the most favorable prognosis. The presence of metastasis is associated with a particularly poor prognosis. 