<prompt> For the following findings, select the most likely type of lung cancer.Has the best prognosis of all malignant lung cancers.cancer metastatic to the lungsquamous cell cancer of the lungadenocarcinoma of the lungsmall cell cancer of the lung  <response>: Because of its tendency for early exfoliation and obstruction, squamous cell cancer is often detected at an earlier stage. Even correcting for this, there is some suggestion that its prognosis is still better, perhaps because of its slow growth rate. 