Hemangioma of the esophagus.

Hemangioma of the esophagus is a rare tumor. Fewer than 100 cases have been found in the literature. The present case report describes a patient who experienced a sudden massive hematemesis and demonstrated unusual changes on the computed tomographic scan.

Lobular carcinoma in situ of the breast.

Lobular carcinoma in situ of the breast is a well defined pathologic entity which is found in about 2.5 per cent of all specimens of the breast taken for biopsy and most commonly occurs in premenopausal females. Its diagnosis is virtually always incidental due to the absence of any clinical indication of its presence.

Lung lesions: cytologic diagnosis by fine-needle biopsy.

Small-bore (22- or 23-gauge) needles were used to aspirate 458 lung masses. Sensitivity for the detection of malignancy by this method was 96.6% (312 of 323 patients); accuracy was 98.