“…The principal symptom was abdominal pain associated with the finding of free air under diaphragm. These [12] 65 years, M Secondary Intake of α-glucosidase inhibitors Takahashi et al [13] 17 years, F Idiopathic -Singh et al [14] N/A, F Secondary Systemic sclerosis Asahi et al [15] 67 years, M Secondary Neoplasm Uruga et al [16] 71 years, F Secondary Neoplasm Koysombat et al [17] N/A Secondary Systemic sclerosis Wang et al [18] 56 years, M Idiopathic -48 years, F Secondary Exposing to trichloroethylene 66 years, F Secondary Disease of immune system 72 years, F Secondary Diabetes 64 years, M Secondary Emphysema 24 years, F Secondary Neoplasm Martin-Lagos et al [19] 72 years, M Secondary Chemotherapy Suda et al [20] 80 years, M Idiopathic -Márquez Argente et al [21] 48 years, M Idiopathic de la Serna et al [22] 83 years, M Secondary Chemotherapy Mikami et al [23] 72 years, M Secondary Ulcerative colitis Sugihara et al [24] 48 years, F Secondary Therapy with glucocorticoid Kunishi et al [25] 84 years, M Secondary Intake of α-glucosidase inhibitors Lee et al [26] 68 years, F Secondary Chemotherapy Kang et al [27] 54 years, M Secondary COPD Nakatani et al [28] 70 years, M Secondary Granulomatosis with polyangiitis Rachapalli et al [29] 50 years, M Secondary Neoplasm Jegadeesan et al [30] 51 years, M Secondary Neoplasm Liao et al [31] 84 years, F Idiopathic -Suzuki et al [32] 71 years, F Secondary Connective tissue disease 70 years, F Secondary Connective tissue disease 70 years, M Secondary Connective tissue disease 42 years, F Secondary Connective tissue disease Iida et al [33] 79 years, M Secondary COPD Romano-Munive et al [34] 54 years, F Idiopathic -Venkataramani et al [35] 56 years, F Secondary Neoplasm Faria et al [36] 69 years, M Secondary Neoplasm Fujimi et al [37] 55 years, M Secondary Interstitial pneumonia with corticosteroid therapy Furihata et al [38] 81 years, M Idiopathic -Mima et al [39] 46 years, M Secondary Rheumatoid arthritis Torigoe et al [40] 77 ...…”