Correct option is A
Cancer is a group of diseases involving abnormal cell growth. Breast cancer is the most commonly diagnosed cancer globally. The global cancer burden was approximately 19.3 million new cases in 2020, close to 20 million. Lung cancer, not liver cancer, is the leading cause of cancer deaths. Cancer is among the top two leading causes of death worldwide, not sixth. Explanation for each option: (a) 1, 2 and 4 only: Correct. Statements 1, 2, and 4 are factually accurate based on current global cancer statistics. (b) 1, 2, 4 and 5 only: Incorrect. Statement 5 is wrong because cancer ranks among top causes of death, not sixth. (c) 1, 3 and 5 only: Incorrect. Liver cancer is not the most common cause of cancer death; lung cancer is. (d) 1, 2, 3 and 4 only: Incorrect. Statement 3 is wrong about liver cancer, so this combination is incorrect.