Left lung occupying lesion: ca with metastasis is serious. ca is an abbreviation for cancer. Left Lung Possessive Lesion: Ca with Metastasis indicates that the cancer in the left lung has metastasized and is in the advanced stage of lung cancer. Patients with advanced lung cancer may have symptoms such as cough, hemoptysis, chest pain, dyspnea, etc. Patients with tumor consumption status may also have systemic symptoms such as fatigue, lethargy and fever. Lung cancer patients need to improve pathology and other related examinations, which is the gold standard for diagnosing lung cancer, helps to clarify the type of lung cancer and provides the basis for the next step of treatment. Lung cancer with metastasis is usually treated conservatively, and the drug treatment includes carboplatin, cisplatin, etoposide, etc., and can be combined with radiotherapy and targeted therapy if necessary. Considering lung cancer with metastasis in the left lung, occupying lesion in the left lung should consult doctor in time and cooperate with doctor for active treatment to prolong the survival period as much as possible.