The document provides an overview of the oncology drug market. It discusses that the global cancer drug market was valued at $112.9 billion in 2016 and is expected to reach $161.3 billion by 2021, growing at a CAGR of 7.4%. Blood cancer accounts for the largest segment of the market. The top 3 companies, Roche, Novartis, and Amgen, have a combined market share of 56% and their blockbuster drugs are discussed. The Indian oncology drug market was worth INR 3831 crores in 2016 and is growing at 15.46% annually. Breast, lung, and cervical cancers account for over 50% of cancer deaths in India currently.