Analysis of clinic characteristics of 1521 patients with lung neoplasms

Objective:To understand characteristics and rules of lung neoplasms by observing inpatients who came to affiliated hospital of north Sichuan medical college for treatment in the past three years.Methods:The retrospective analyses of 1521 lung neoplasms cases( 2010-2012) were conducted,especially including the gender,age,disease location,risk factors,pathology,etc.Results:Totally,there were 1124 male cases and 397 female cases.The range of the patients was from 17 to 91 years old with an average age of 60 years old.There were 553 cases with the neoplasms in the left lung,870 cases in the right lung,however,there were 100 cases with unspecified neoplasm position.There were squamous carcinoma( 397 cases),adenocarcinoma( 266 cases),small cell carcinoma( 89 cases),large cell carcinoma( 3 cases),and the other( 49 cases) according to the pathological classification.427 cases had smoking history,and 487 cases had chronic lung disease history and so on.Conclusions:In the recent three years,the incidence of lung neoplasms is stable,the proportion of male is higher than female,and the incidence of the female is on the rise.The cases with the right lung neoplasms are more than those with left lung neoplasms.According to the pathological classification,the squamous carcinoma is the main type.Sex is a factor which causes different types of lung cancer,that is,squamous carcinoma is common in men,while adenocarcinoma is common in women.The people of 50-79 years old have the high incidence of lung neoplasms.This survey data shows that lung neoplasm's risk factors( smoking,alcohol,chronic lung disease history,etc.) are not the main factors.Except Shunqing district,there is no significant difference in the outpatient number.