Fig. 1

SCLD namely Asthma, Pulmonary Fibrosis, and Pulmonary Hypertension were encircled in red color. The symptoms of each disease extracted from HSDN with TF-IDF scores > 2.0 were shown in different colors. The symptoms shared among all three diseases are shown in yellow color. The symptoms shared between Asthma and Pulmonary fibrosis were shown in green color. The symptoms shared between Asthma and Pulmonary hypertension were shown in indigo color. The symptoms associated with only one disease were represented in cyan color (Asthma), turquoise color (Pulmonary Fibrosis), and magenta (Pulmonary Hypertension)