<prompt> All are cavitating lesions in the lungs, except?Caplans syndromeHamaomaWegners granulomaSquamous cell carcinoma  <response>: Answer is B Hamaoma: Hamaomas produce non cavitating popcorn calcifications. Malignant lesions squamous cell carcinoma and granulomatous lesions Wegeners granulomatosis, Caplans syndrome are established causes of cavitatory lesions. 