ABSTRACT
Objective To summarize and analyze the clinical characteristics,pathological features and follow-up data of patients with pulmonary lymphaugitic carcinomatosis(PLC) caused by gastric cancer.Methods A retrospective analysis was performed on 7 cases of gastric cancer with pulmonary carcinomatosis in Peking University People's Hospital between Jan 2000 and Dec 2017.Results 7 patients were identified from our database.All patients were female,with an average age of (54 ± 18) years.4 patients were treated with respiratory symptoms and 3 patients presented with gastrointestinal symptoms.One patient received gastrectomy,one did chemotherapy,5 patients had other site metastasis,one was still alive at the end of follow up.Patients average survival time was (4.8 ± 4.0) months.Conclusions Pulmonary lymphatic carcinomatosis caused by gastric cancer is rare clinical entity and the prognosis is poor.Patients often present with respiratory symptoms.Chest CT showed diffusely nodular thickening of interlobular septa and peribronchovascular interstitium.Biopsy of the gastric tumor often establish the diagnosis.