I have a cough problem and my doctor suggest me to do CECT CHEST and reports says -few small centrilobular nodules seen in right upper lobe (all segments). Rest of lungs field appears normal. The overlying pleura are normal bilaterally. There is no evidence of pleural effusion. MEDIASTINUM AND HILA Few subcentimetre lymph nodes seen in right paratracheal region. Trachea and its bifurcation and major bronchi are normal. Mediastinal vascular structures appear normal. Cardiac size is within normal limits. Visualized bones appear normal as seen on bone window.