32Y/F presents to medicine opd with stridor and dry cough from last few weeks. she complains of difficulty in breathing on exeion and in resting condition as well . O/E she had Erythema Nodosum on lower limbs along with painful ahritis.B/L hilar lymphadenopathy Lab investigations had shown raised levels of Angiotensin conveing enzymes (ACE). Her chest radiograph is shown below.The probable diagnosis in this case is?