Elevated hemidiafragm on the right. There is a number of possible causes, e.g. atelectasis or partial collapse (decreased lung volume; cause lies above the diafragm), phrenic nerve palsy or contralateral CVA (affected diafragm) or an abdominal tumor / distended colon (cause lies below the diafragm).
Ans : Pericardial Calcification The differential diagnosis for pericardial calcifications include: 1. Constrictive Pericarditis : * Infection : Tuberculosis (most common cause), Viral infection, Pyogenic infection * Sarcoidosis * Previous cardiac surgery * Radiotherapy 2. Chronic Adhesive Pericarditis: Less dense with a more patchy distribution. 3. Myocardial Calcification (e.g from left ventricular aneurysm) 4. Rheumatic Pericarditis