<prompt> Cavitation in pulmonary metastasis is commonly associated with?Squamous cell carcinomaAdenocarcinomaChondrosarcomaOsteosarcoma  <response>: Cavitation in pulmonary metastases is a feature of Squamous cell carcinoma. Calcification in pulmonary metastasis is a feature in Osteosarcoma and chondrosarcoma. 