INTRODUCTION– Bronchogenic carcinoma is the most common malignancy found in solitary pulmonary nodules(SPN), and it remains the leading cause of cancer death. The frequency with which a solitary pulmonary nodule is identified on chest radiography is on the order of 1 to 2 per thousand chest radiographs. Most of these are clinically silent, and about 90 percent are noted as an incidental finding on radiographic examination.

Aims and objectives – To study the various factors affecting malignant solitary pulmonary nodules and to establish its statistical significance.  

Materials and methods – we had conducted this study of 50 patients at tertiary care centre civil hospital ahmedabad. It is an open non randomized cross sectional observational study.

Conclusion – SPN either detected as an asymptomatic or with respiratory symptoms must be further  evaluated to rule out any malignancy and better management