血癌

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

癌 = 嵒 + 疒 : Albert Einstein (Ø) got a colorful rash (疒) and he thinks it is cancer (癌). In the airplane's kitchen (ai2) he found a food pyramid (嵒) which he devours using a fork (嵒).